Putting -moz-available and -webkit-fill-available in one width css property

Question

I want to make the width of the footer browser-independent    For Mozilla I want to use the value of -moz-available  and when a user uses Opera  then CSS should get the values from -webkit-fill-available    How to do this in CSS3   I tried to do something like this   width  -moz-available  -webkit-fill-available    This won t give the desired results

User · Accepted Answer

CSS will skip over style declarations it doesn't understand. Mozilla-based browsers will not understand -webkit-prefixed declarations, and WebKit-based browsers will not understand -moz-prefixed declarations.

Because of this, we can simply declare width twice:

elem {
    width: 100%;
    width: -moz-available;          /* WebKit-based browsers will ignore this. */
    width: -webkit-fill-available;  /* Mozilla-based browsers will ignore this. */
    width: fill-available;
}

The width: 100% declared at the start will be used by browsers which ignore both the -moz and -webkit-prefixed declarations or do not support -moz-available or -webkit-fill-available.

User · Answer

I needed my ASP NET drop down list to take up all available space  and this is all I put in the CSS and it is working in Firefox and IE11  width  100   I had to add the CSS class into the asp DropDownList element

[css] Putting -moz-available and -webkit-fill-available in one width (css property)

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