how to change select box option hover background color .
/*with a little bit of styling and javascript, you can have a select box with coloured options*/
/*Note that size attribute = 2 or greater plays an important role here*/
<style>
select option:checked {
background: #ff9500 -webkit-linear-gradient(bottom, #ff9500 0%, #ff9500 100%);
}
select option:hover {
background: #ff9500 -webkit-linear-gradient(bottom, #ff9500 0%, #ff9500 100%);
color: #fff;
}
select option {
padding: 8px;
}
select {
z-index: 1800;
position: absolute;
background: #fff;
height: 33px;
overflow: hidden;
width: 30%;
outline: none;
}
</style>
<select id="colored_select" size="2" onclick="select_option()">
<option value="" selected>Select</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
<option value="4">Four</option>
<option value="5">Five</option>
<option value="6">Six</option>
<option value="7">Seven</option>
<option value="8">Eight</option>
</select>
<script>
function select_option(){
var selectBox = document.getElementById("colored_select");
$size = selectBox.size;
$set_size = 4;
if ($size == $set_size) {
selectBox.size = 2;
selectBox.style.overflow = 'hidden';
} else {
selectBox.size = $set_size;
selectBox.style.height = 'auto';
selectBox.style.overflow = 'auto';
}
var selectedOptionTop = selectBox.options[selectBox.selectedIndex].offsetTop;
selectBox.scrollTop = selectedOptionTop;
}
</script>