Using the below example of styling the selects and options, you can change the style of the select element as per your need.
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<select id="selectbox1">
<option value="">Select an option…</option>
<option value="aye">Aye</option>
<option value="eh">Eh</option>
<option value="ooh">Ooh</option>
<option value="whoop">Whoop</option>
</select>
<select id="selectbox2">
<option value="">Month…</option>
<option value="january">January</option>
<option value="february">February</option>
<option value="march">March</option>
<option value="april">April</option>
<option value="may">May</option>
<option value="june">June</option>
<option value="july">July</option>
<option value="august">August</option>
<option value="september">September</option>
<option value="october">October</option>
<option value="november">November</option>
<option value="december">December</option>
</select> $('select').each(function() {
// Cache the number of options
var $this = $(this),
numberOfOptions = $(this).children('option').length;
// Hides the select element
$this.addClass('s-hidden');
// Wrap the select element in a div
$this.wrap('<div class="select"></div>');
// Insert a styled div to sit over the top of the hidden select element
$this.after('<div class="styledSelect"></div>');
// Cache the styled div
var $styledSelect = $this.next('div.styledSelect');
// Show the first select option in the styled div
$styledSelect.text($this.children('option').eq(0).text());
// Insert an unordered list after the styled div and also cache the list
var $list = $('<ul />', {
'class': 'options'
}).insertAfter($styledSelect);
// Insert a list item into the unordered list for each select option
for (var i = 0; i < numberOfOptions; i++) {
$('<li />', {
text: $this.children('option').eq(i).text(),
rel: $this.children('option').eq(i).val()
}).appendTo($list);
}
// Cache the list items
var $listItems = $list.children('li');
// Show the unordered list when the styled div is clicked (also hides it if the div is clicked again)
$styledSelect.click(function(e) {
e.stopPropagation();
$('div.styledSelect.active').each(function() {
$(this).removeClass('active').next('ul.options').hide();
});
$(this).toggleClass('active').next('ul.options').toggle();
});
// Hides the unordered list when a list item is clicked and updates the styled div to show the selected list item
// Updates the select element to have the value of the equivalent option
$listItems.click(function(e) {
e.stopPropagation();
$styledSelect.text($(this).text()).removeClass('active');
$this.val($(this).attr('rel'));
$list.hide();
/* alert($this.val()); Uncomment this for demonstration! */
});
// Hides the unordered list when clicking outside of it
$(document).click(function() {
$styledSelect.removeClass('active');
$list.hide();
});
}); body {
padding: 50px;
background-color: white;
}
.s-hidden {
visibility: hidden;
padding-right: 10px;
}
.select {
cursor: pointer;
display: inline-block;
position: relative;
font: normal 11px/22px Arial, Sans-Serif;
color: black;
border: 1px solid #ccc;
}
.styledSelect {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
background-color: white;
padding: 0 10px;
font-weight: bold;
}
.styledSelect:after {
content: "";
width: 0;
height: 0;
border: 5px solid transparent;
border-color: black transparent transparent transparent;
position: absolute;
top: 9px;
right: 6px;
}
.styledSelect:active,
.styledSelect.active {
background-color: #eee;
}
.options {
display: none;
position: absolute;
top: 100%;
right: 0;
left: 0;
z-index: 999;
margin: 0 0;
padding: 0 0;
list-style: none;
border: 1px solid #ccc;
background-color: white;
-webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
-moz-box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.options li {
padding: 0 6px;
margin: 0 0;
padding: 0 10px;
}
.options li:hover {
background-color: #39f;
color: white;
} Refer – jsfiddle