Use CSS3 transitions with gradient backgrounds

Question

I m trying to transition on hover with css over a thumbnail so that on hover  the background gradient fades in  The transition isn t working  but if I simply change it to an rgba   value  it works fine  Are gradients not supported  I tried using an image too  it won t transition the image either   I know it s possible  as in another post someone did it  but I can t figure out how exactly  Any help  Here s some CSS to work with    container div a     -webkit-transition  background 0 2s linear    -moz-transition  background 0 2s linear    -o-transition  background 0 2s linear    transition  background 0 2s linear    position  absolute    width  200px    height  150px    border  1px  000 solid    margin  30px    z-index  2     container div a hover     background  -webkit-gradient radial  100 75  100  100 75  0  from rgba 0  0  0   7    to rgba 0  0  0   4

User · Answer

For what it s worth  here s a Sass mixin   Usage    include gradientAnimation red  blue   6s    Mixin    mixin gradientAnimation   start   end   transTime        background-size  100       background-image  linear-gradient  start   end       position  relative      z-index  100       amp  before           background-image  linear-gradient  end   start           content              display  block          height  100           position  absolute          top  0  left  0          opacity  0          width  100           z-index  -100          transition  opacity  transTime             amp  hover            amp  before               opacity  1                      Taken from this awesome post on Medium from Dave Lunny  https   medium com  dave lunny animating-css-gradients-using-only-css-d2fd7671e759

User · Answer

Partial workaround for gradient transition is to use inset box shadow - you can transition either the box shadow itself  or the background color - e g  if you create inset box shadow of the same color as background and than use transition on background color  it creates illusion that plain background is changing to radial gradient   button SPAN       padding  10px 30px       border  1px solid   009CC5       -moz-box-shadow  inset 0 0 20px 1px  00a7d1      -webkit-box-shadow  inset 0 0 20px 1px 00a7d1      box-shadow  inset 0 0 20px 1px  00a7d1        background-color   00a7d1      -webkit-transition  background-color 0 5s linear      -moz-transition  background-color 0 5s linear      -o-transition  background-color 0 5s linear      transition  background-color 0 5s linear      button SPAN hover       background-color   00c5f7

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With Chrome 85  and also Edge  adding support for  property rule  now we can do this in CSS   property --colorPrimary     syntax    lt color gt      initial-value  magenta    inherits  false      property --colorSecondary     syntax    lt color gt      initial-value  green    inherits  false     The rest is normal CSS  Set initial gradient colors to the variables and also set the transition of those variables  div        Optional  change the initial value of variables     --colorPrimary   f64      --colorSecondary  brown          background  radial-gradient circle  var --colorPrimary  0   var --colorSecondary  85   no-repeat    transition  --colorPrimary 3s  --colorSecondary 3s     Then  on the desired rule  set the new values for variables  div hover     --colorPrimary  yellow  --colorSecondary   f00      x000D   x000D   property --colorPrimary     syntax    lt color gt      initial-value   0f0    inherits  false      property --colorSecondary     syntax    lt color gt      initial-value  rgb 0  255  255     inherits  false     div     width  200px    height  100px    background  radial-gradient circle  var --colorPrimary  0   var --colorSecondary  85   no-repeat    transition  --colorPrimary 3s  --colorSecondary 3s     div hover     --colorPrimary  red    --colorSecondary   00f    x000D   lt div gt Hover over me lt  div gt  x000D   x000D   x000D   See the full example here and refer here for  property support status  The  property rule is part of the CSS Houdini technology  For more info refer here and here

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I wanted to have a div appear like a 3D sphere and transition through colors  I discovered that gradient background colors don t transition  yet   I placed a radial gradient background in front of the element  using z-index  with a transitioning solid background      overlay    z-index   1  background   radial-gradient  ellipse at 25  25   rgba  255  255  255  0   0   rgba  0  0  0  1   100       then the div ball underneath   transition   all 1s cubic-bezier 0 25  0 46  0 45  0 94     then changed the background color of the div ball and voila   https   codepen io keldon pen dzPxZP

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A solution is to use background-position to mimic the gradient transition  This solution was used in Twitter Bootstrap a few months ago   Update  http   codersblock blogspot fr 2013 12 gradient-animation-trick html showComment 1390287622614  Here is a quick example   Link state    btn     font-family   Helvetica Neue   Arial  sans-serif    font-size  12px    font-weight  300    position  relative    display  inline-block    text-decoration  none    color   fff    padding  20px 40px    background-image  -moz-linear-gradient top   50abdf   1f78aa     background-image  -webkit-gradient linear  0 0  0 100   from  50abdf   to  1f78aa      background-image  -webkit-linear-gradient top   50abdf   1f78aa     background-image  -o-linear-gradient top   50abdf   1f78aa     background-image  linear-gradient to bottom   50abdf   1f78aa     background-repeat  repeat-x    filter  progid DXImageTransform Microsoft gradient startColorstr   ff50abdf   endColorstr   ff1f78aa   GradientType 0     background-repeat  repeat-y    background-size  100  90px    background-position  0 -30px    -webkit-transition  all 0 2s linear       -moz-transition  all 0 2s linear         -o-transition  all 0 2s linear            transition  all 0 2s linear      Hover state   btn hover      background-position  0 0

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Can t hurt to post another view since there s still not an official way to do this  Wrote a lightweight jQuery plugin with which you can define a background radial gradient and a transition speed  This basic usage will then let it fade in  optimised with requestAnimationFrame  very smooth         element   gradientFade        duration  2000      from    20 20 20 1        to    120 120 120 0         http   codepen io Shikkediel pen xbRaZz editors 001  Keeps original background and all properties intact  Also has highlight tracking as a setting    http   codepen io Shikkediel pen VYRZZY editors 001

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I use this at work    IE6  https   gist github com GrzegorzPerko 7183390  Don t forget about  lt element class  ahover  gt  lt span gt Text lt  span gt  lt  a gt  if you use a text element    ahover       display  block          text-indent  -999em     if u use only only img         position  relative     ahover after       content          height  100       left  0      opacity  0      position  absolute      top  0      transition  all 0 5s ease 0s      width  100       z-index  1     ahover hover after       opacity  1     ahover span       display  block      position  relative      z-index  2

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I know that is old question but mabye someone enjoy my way of solution in pure CSS  Gradient fade from left to right   x000D   x000D   contener       width 300px    height 200px    background-size cover    border solid 2px black     ed       width  0px      height  200px      background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 75        position  relative      opacity 0      transition width 20s  opacity 0 6s      contener hover  ed      width  300px      background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 75        position  relative      opacity 1      transition width 0 4s  opacity 1 1s      transition-delay  width 2s           animation-name  gradient-fade      animation-duration  1 1s         -webkit-animation-name  gradient-fade     Chrome  Safari  Opera        -webkit-animation-duration  1 1s     Chrome  Safari  Opera             ANIMATION     -webkit-keyframes gradient-fade       0     background linear-gradient to right  rgba 0 0 255 0   rgba 255 0 0 0         2    background linear-gradient to right  rgba 0 0 255 0 01875   rgba 255 0 0 0         4    background linear-gradient to right  rgba 0 0 255 0 0375   rgba 255 0 0 0 0         6    background linear-gradient to right  rgba 0 0 255 0 05625   rgba 255 0 0 0 0         8   background linear-gradient to right  rgba 0 0 255 0 075   rgba 255 0 0 0         10    background linear-gradient to right  rgba 0 0 255 0 09375   rgba 255 0 0 0         12     background linear-gradient to right  rgba 0 0 255 0 1125   rgba 255 0 0 0         14    background linear-gradient to right  rgba 0 0 255 0 13125   rgba 255 0 0 0         16    background linear-gradient to right  rgba 0 0 255 0 15   rgba 255 0 0 0         18    background linear-gradient to right  rgba 0 0 255 0 16875   rgba 255 0 0 0         20   background linear-gradient to right  rgba 0 0 255 0 1875   rgba 255 0 0 0         22    background linear-gradient to right  rgba 0 0 255 0 20625   rgba 255 0 0 0 01875         24     background linear-gradient to right  rgba 0 0 255 0 225   rgba 255 0 0 0 0375         26    background linear-gradient to right  rgba 0 0 255 0 24375   rgba 255 0 0 0 05625         28    background linear-gradient to right  rgba 0 0 255 0 2625   rgba 255 0 0 0 075         30    background linear-gradient to right  rgba 0 0 255 0 28125   rgba 255 0 0 0 09375         32   background linear-gradient to right  rgba 0 0 255 0 3   rgba 255 0 0 0 1125         34    background linear-gradient to right  rgba 0 0 255 0 31875   rgba 255 0 0 0 13125         36     background linear-gradient to right  rgba 0 0 255 0 3375   rgba 255 0 0 0 15         38    background linear-gradient to right  rgba 0 0 255 0 35625   rgba 255 0 0 0 16875         40    background linear-gradient to right  rgba 0 0 255 0 375   rgba 255 0 0 0 1875         42    background linear-gradient to right  rgba 0 0 255 0 39375   rgba 255 0 0 0 20625         44   background linear-gradient to right  rgba 0 0 255 0 4125   rgba 255 0 0 0 225         46    background linear-gradient to right  rgba 0 0 255 0 43125  rgba 255 0 0 0 24375         48     background linear-gradient to right  rgba 0 0 255 0 45   rgba 255 0 0 0 2625         50    background linear-gradient to right  rgba 0 0 255 0 46875   rgba 255 0 0 0 28125         52    background linear-gradient to right  rgba 0 0 255 0 4875   rgba 255 0 0 0 3         54     background linear-gradient to right  rgba 0 0 255 0 50625   rgba 255 0 0 0 31875         56    background linear-gradient to right  rgba 0 0 255 0 525   rgba 255 0 0 0 3375         58    background linear-gradient to right  rgba 0 0 255 0 54375   rgba 255 0 0 0 35625         60    background linear-gradient to right  rgba 0 0 255 0 5625   rgba 255 0 0 0 375         62   background linear-gradient to right  rgba 0 0 255 0 58125   rgba 255 0 0 0 39375         64    background linear-gradient to right rgba 0 0 255 0 6   rgba 255 0 0 0 4125         66     background linear-gradient to right  rgba 0 0 255 0 61875   rgba 255 0 0 0 43125         68    background linear-gradient to right  rgba 0 0 255 0 6375   rgba 255 0 0 0 45         70    background linear-gradient to right  rgba 0 0 255 0 65625   rgba 255 0 0 0 46875         72    background linear-gradient to right  rgba 0 0 255 0 675   rgba 255 0 0 0 4875         74   background linear-gradient to right  rgba 0 0 255 0 69375   rgba 255 0 0 0 50625         76    background linear-gradient to right  rgba 0 0 255 0 7125   rgba 255 0 0 0 525         78     background linear-gradient to right  rgba 0 0 255 0 73125   rgba 255 0 0 0 54375         80    background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 5625         82    background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 58125         84    background linear-gradient to right  rgba 0 0 255 0 75  rgba 255 0 0 0 6         86   background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 61875         88    background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 6375         90     background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 65625         92    background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 675         94    background linear-gradient to right  rgba 0 0 255 0 75  rgba 255 0 0 0 69375         96    background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 7125         98   background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 73125          100    background linear-gradient to right  rgba 0 0 255 0 75   rgba 255 0 0 0 75       x000D   lt div class  contener  style    gt     lt div class  ed  gt  lt  div gt   lt  div gt  x000D   x000D   x000D

User · Answer

Based on the css code in your question  I have try code as follows and it works for me  run the code snippet   and please try by yourself     x000D   x000D   container div a   x000D    display  inline-block  x000D    margin-top  10   x000D    padding  1em 2em  x000D    font-size  2em  x000D    color   fff  x000D    font-family  arial  sans-serif  x000D    text-decoration  none  x000D    border-radius  0 3em  x000D    position  relative  x000D    background-color   ccc  x000D    background-image  linear-gradient to top   C0357E   EE5840   x000D    -webkit-backface-visibility  hidden  x000D    z-index  1  x000D    x000D        x000D   container div a after   x000D    position  absolute  x000D    content      x000D    top  0  x000D    left  0  x000D    width  100   x000D    height  100   x000D    border-radius  0 3em  x000D    background-image  linear-gradient to top   6d8aa0   343436   x000D    transition  opacity 0 5s ease-out  x000D    z-index  2  x000D    opacity  0  x000D    x000D       x000D   container div a hover after   x000D    opacity  1  x000D    x000D   container div a span   x000D    position  relative  x000D    z-index  3  x000D    x000D   lt div id  container  gt  lt div gt  lt a href     gt  lt span gt Press Me lt  span gt  lt  a gt  lt  div gt  lt  div gt  x000D   x000D   x000D    Based on the css code in your question  I have try code as follows and it works for me  and please try by yourself         container div a     display  inline-block    margin-top  10     padding  1em 2em    font-size  2em    color   fff    font-family  arial  sans-serif    text-decoration  none    border-radius  0 3em    position  relative    background-color   ccc    background-image  linear-gradient to top   C0357E   EE5840     -webkit-backface-visibility  hidden    z-index  1      container div a after     position  absolute    content        top  0    left  0    width  100     height  100     border-radius  0 3em    background-image  linear-gradient to top   6d8aa0   343436     transition  opacity 0 5s ease-out    z-index  2    opacity  0      container div a hover after     opacity  1     container div a span     position  relative    z-index  3      Does it works for you   Change the color based on your need

User · Answer

Gradients don t support transitions yet  although the current spec says they should support like gradient to like gradient transitions via interpolation      If you want a fade-in effect with a background gradient  you have to set an opacity on a container element and  transition  the opacity     There have been some browser releases that supported transitions on gradients  e g IE10  I tested gradient transitions in 2016 in IE and they seemed to work at the time  but my test code no longer works    Update  October 2018 Gradient transitions with un-prefixed new syntax  e g  radial-gradient      now confirmed to work  again   on Microsoft Edge 17 17134  I don t know when this was added  Still not working on latest Firefox  amp  Chrome   Windows 10

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Try use  before and  after  ie9     wrapper      width 400px      height 400px      margin 0 auto      border  1px  000 solid      position relative    wrapper after   wrapper before      position absolute      top 0      left 0      width 100       height 100       content         background   1e5799      background  -moz-linear-gradient top   1e5799 0    2989d8 50    207cca 51    7db9e8 100        background  -webkit-gradient linear  left top  left bottom  color-stop 0   1e5799   color-stop 50   2989d8   color-stop 51   207cca   color-stop 100   7db9e8        background  -webkit-linear-gradient top   1e5799 0   2989d8 50   207cca 51   7db9e8 100        background  -o-linear-gradient top   1e5799 0   2989d8 50   207cca 51   7db9e8 100        background  -ms-linear-gradient top   1e5799 0   2989d8 50   207cca 51   7db9e8 100        background  linear-gradient to bottom   1e5799 0   2989d8 50   207cca 51   7db9e8 100        opacity 1      z-index -1      -webkit-transition  all 2s ease-out      -moz-transition  all 2s ease-out      -ms-transition  all 2s ease-out      -o-transition  all 2s ease-out      transition  all 2s ease-out     wrapper after      opacity 0      background   87e0fd      background  -moz-linear-gradient top   87e0fd 0    53cbf1 40    05abe0 100        background  -webkit-gradient linear  left top  left bottom  color-stop 0   87e0fd   color-stop 40   53cbf1   color-stop 100   05abe0        background  -webkit-linear-gradient top   87e0fd 0   53cbf1 40   05abe0 100        background  -o-linear-gradient top   87e0fd 0   53cbf1 40   05abe0 100        background  -ms-linear-gradient top   87e0fd 0   53cbf1 40   05abe0 100        background  linear-gradient to bottom   87e0fd 0   53cbf1 40   05abe0 100       wrapper hover before opacity 0    wrapper hover after opacity 1

User · Answer

One work-around is to transition the background position to give the effect that the gradient is changing  http   sapphion com 2011 10 css3-gradient-transition-with-background-position      CSS3 gradient transition with background-position      Although you can   t directly animate gradients using the CSS transition property  it is possible to animate the background-position property to achieve a simple gradient animation       The code for this is dead simple     x000D   x000D   DemoGradient    x000D      background  -webkit-linear-gradient  C7D3DC  5B798E     x000D      background  -moz-linear-gradient  C7D3DC  5B798E     x000D      background  -o-linear-gradient  C7D3DC  5B798E     x000D      background  linear-gradient  C7D3DC  5B798E     x000D     x000D      -webkit-transition  background 1s ease-out    x000D      -moz-transition  background 1s ease-out    x000D      -o-transition  background 1s ease-out    x000D      transition  background 1s ease-out    x000D     x000D      background-size 1px 200px    x000D      border-radius  10px    x000D      border  1px solid  839DB0    x000D      cursor pointer    x000D      width  150px    x000D      height  100px    x000D      x000D   DemoGradient Hover    x000D      background-position 100px    x000D      x000D   lt div id  DemoGradient  gt  lt  div gt    x000D   x000D   x000D

User · Answer

before  the CSS pseudo-element can easily do the trick  All you have to do is use the   before pseudo-element with zero opacity  On  hover  switch opacity to 1 and if you follow a few simple steps  you should get your transition working    element     position  relative    width  500px    height  400px    background-image  linear-gradient 45deg  blue  aqua     z-index  2      element  before     position  absolute    content   quot  quot     top  0    right  0    bottom  0    left  0    background-image  linear-gradient to bottom  red  orange     z-index  1    opacity  0    transition  opacity 0 4s linear      element hover  before     opacity  1          target the element and set it s default gradient using background-image   targeting the same element  use   before to set it s next gradient with background-image and it s opacity to zero   use now  hover  before and set opacity to 1 Back on the   before block use    position absolute  content     a lower z-index than the default element  set top  bottom  right and left to zero set transition attribute targeting the opacity property Now everything should be done and you can tweak your transition  with whatever duration   delay   timing-function you like

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In the following  an anchor tag has a child and a grandchild  The grandchild has the far background gradient  The child in the near background is transparent  but has the gradient to transition to  On hover  the child s opacity is transitioned from 0 to 1  over a period of 1 second   Here is the CSS    bkgrndfar     position absolute    top 0    left 0    z-index -2    height 100     width 100     background linear-gradient  eee   aaa       bkgrndnear     position absolute    top 0    left 0    height 100     width 100     background radial-gradient at 50  50   blue 1   aqua 100      opacity 0    transition  opacity 1s     a menulnk     position relative    text-decoration none    color  333    padding  0 20px    text-align center    line-height 27px    float left     a menulnk hover     color  eee    text-decoration underline        This transitions child opacity on parent hover    a menulnk hover  bkgrndnear     opacity 1      And  this is the HTML    lt a href     class  menulnk  gt Transgradient  lt div class  bkgrndfar  gt     lt div class  bkgrndnear  gt     lt  div gt   lt  div gt   lt  a gt    The above is only tested in the latest version of Chrome  These are the before hover  halfway on-hover and fully transitioned on-hover images

User · Answer

As stated  Gradients aren t currently supported with CSS Transitions  But you could work around it in some cases by setting one of the colors to transparent  so that the background-color of some other wrapping element shines through  and transition that instead

User · Answer

You can FAKE transitions between gradients  using transitions in the opacity of a few stacked gradients  as described in a few of the answers here   CSS3 animation with gradients   You can also transition the position instead  as described here   CSS3 gradient transition with background-position   Some more techniques here   Animating CSS3 Gradients

User · Answer

Found a nice hack on codepen that modifies the opacity property but achieves that fade from one gradient to another by leveraging pseudo-elements  What he does is he sets an  after so that when you change the opacity of the actual element  the  after element shows up so it looks as if it were a fade  Thought it d be useful to share   Original codepen  http   codepen io sashtown pen DfdHh   x000D   x000D   button   x000D    display  inline-block  x000D    margin-top  10   x000D    padding  1em 2em  x000D    font-size  2em  x000D    color   fff  x000D    font-family  arial  sans-serif  x000D    text-decoration  none  x000D    border-radius  0 3em  x000D    position  relative  x000D    background-color   ccc  x000D    background-image  linear-gradient to top   6d8aa0   8ba2b4   x000D    -webkit-backface-visibility  hidden  x000D    z-index  1  x000D    x000D   button after   x000D    position  absolute  x000D    content      x000D    top  0  x000D    left  0  x000D    width  100   x000D    height  100   x000D    border-radius  0 3em  x000D    background-image  linear-gradient to top   ca5f5e   d68584   x000D    transition  opacity 0 5s ease-out  x000D    z-index  2  x000D    opacity  0  x000D    x000D   button hover after   x000D    opacity  1  x000D    x000D   button span   x000D    position  relative  x000D    z-index  3  x000D    x000D  body   x000D    text-align  center  x000D    background   ddd  x000D    x000D   lt a class  button  href     gt  lt span gt BUTTON lt  span gt  lt  a gt  x000D   x000D   x000D

[css] Use CSS3 transitions with gradient backgrounds

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