[css] How can I change the font-size of a select option?

I am trying to style a select option dropdown list. Is it possible to make the font-sizes of the options different from the default value? For example, the default:

-- Select Country --  

Would be size 7pt; and one of the options,

Georgia

Would be size 13pt.

This is my dropdown list:

.select_join {_x000D_
  width: 170px;_x000D_
  height: 28px;_x000D_
  overflow: hidden;_x000D_
  background: url('http://s24.postimg.org/lyhytocf5/dropdown.png') no-repeat right #FEFEFE;_x000D_
  border: #FEFEFE 1px solid;_x000D_
  -webkit-border-radius: 3px;_x000D_
  border-radius: 3px;_x000D_
  -webkit-box-shadow: inset 0px 0px 10px 1px #FEFEFE;_x000D_
  box-shadow: inset 0px 0px 10px 1px #FEFEFE;_x000D_
}_x000D_
.select_join select {_x000D_
  background: transparent;_x000D_
  width: 170px;_x000D_
  font-size:7pt;_x000D_
  color:grey;_x000D_
  border: 0;_x000D_
  border-radius: 0;_x000D_
  height: 28px;_x000D_
  -webkit-appearance: none;_x000D_
}_x000D_
.select_join select:focus {_x000D_
  outline: none;_x000D_
}

<div style="background-color:pink;height:150px; text-align:center;">_x000D_
  <br/>_x000D_
  <div class="select_join" style="margin-left:15px">_x000D_
    <select name="txtCountry">_x000D_
      <option>-- Select Country --</option>_x000D_
      <option value="1">Georgia</option>_x000D_
      <option value="2">Afghanistan</option>_x000D_
    </select>_x000D_
  </div>_x000D_
</div>

See also my demo on JSFiddle.

Unfortunately, it works only on Firefox. Could it be that others browser don't support styling of <option> elements?

Browsers I tested on:

• Chrome: Version 27.0.1453.116 m
• IE: 10
• Firefox: 22.0

Tell the option element to be 13pt

select option{
    font-size: 13pt;
}

and then the first option element to be 7pt

select option:first-child {
    font-size: 7pt;
}

Running demo: http://jsfiddle.net/VggvD/1/

check this fiddle,

i just edited the above fiddle, its working

http://jsfiddle.net/narensrinivasans/FpNxn/1/

.selectDefault, .selectDiv option
{
    font-family:arial;
    font-size:12px;
}

select[value="value"]{
   background-color: red;
   padding: 3px;
   font-weight:bold;
}

We need a trick here...

Normal select-dropdown things won't accept styles. BUT. If there's a "size" parameter in the tag, almost any CSS will apply. With this in mind, I've created a fiddle that's practically equivalent to a normal select tag, plus the value can be edited manually like a ComboBox in visual languages (unless you put readonly in the input tag).

A simplified example:

<style>

    /* only these 2 lines are truly required */
    .stylish span {position:relative;}
    .stylish select {position:absolute;left:0px;display:none}

    /* now you can style the hell out of them */
    .stylish input    { ... }
    .stylish select   { ... }
    .stylish option   { ... }
    .stylish optgroup { ... }

</style>
...
<div class="stylish">
    <label> Choose your superhero: </label>
    <span>
        <input onclick="$(this).closest('div').find('select').slideToggle(110)">
        <br>
        <select size=15 onclick="$(this).hide().closest('div').find('input').val($(this).find('option:selected').text());">

            <optgroup label="Fantasy"></optgroup>
            <option value="gandalf">Gandalf</option>
            <option value="harry">Harry Potter</option>
            <option value="jon">Jon Snow</option>

            <optgroup label="Comics"></optgroup>
            <option value="tony">Tony Stark</option>
            <option value="steve">Steven Rogers</option>
            <option value="natasha">Natasha Romanova</option>

        </select>
    </span>
    <!--

        For the sake of simplicity, I used jQuery here.
        Today it's easy to do the same without it, now
        that we have querySelector(), closest(), etc.

    -->
</div>

A live example:

https://jsfiddle.net/7ac9us70/1052/

Note 1: Sorry for the gradients & all fancy stuff, no they're not necessary, yes I'm showing off, I know, hashtag onlyhuman, hashtag notproud.

Note 2: Those <optgroup> tags don't encapsulate the options belonging under them as they normally should; this is intentional. It's better for the styling (the well-mannered way would be a lot less stylable), and yes this is painless and works in every browser.

try this

http://jsfiddle.net/VggvD/2/

CSS add your code

.select_join option{
    font-size:13px;
}