JSFiddle - React, Tailwind, and code Playground

HTML

<select>
    <option>hello world</option>
    <option>hello world</option>
    <option>hello world</option>
    <option>hello world</option>
    <option>hello world</option>
    <option>hello world</option>
</select>

CSS

body {
    background-color:#000;
}
select {
    background: 12px 11px no-repeat, -moz-linear-gradient(top, #f7f7f8 0%, #ffffff 100%);
    background: 12px 11px no-repeat, -webkit-linear-gradient(top, #f7f7f8 0%, #ffffff 100%);
    background: 12px 11px no-repeat, -o-linear-gradient(top, #f7f7f8 0%, #ffffff 100%);
    background: 12px 11px no-repeat, -ms-linear-gradient(top, #f7f7f8 0%, #ffffff 100%);
    margin: 5px 10px 5px 10px;
    background: 12px 11px no-repeat, linear-gradient(to bottom, #f7f7f8 0%, #ffffff 100%);
    border-radius: 3px;
    border: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2) inset, 0 -1px 0 rgba(0, 0, 0, 0.05) inset;
    -webkit-transition: all 0.2s linear;
    -moz-transition: all 0.2s linear;
    -ms-transition: all 0.2s linear;
    -o-transition: all 0.2s linear;
    transition: all 0.2s linear;
    font-family:"Helvetica Neue", sans-serif;
    font-size: 13px;
    color: #222222;
    position: relative;
    height: 36px;
    width: 300px;
    padding-left: 30px;
}
select:focus {
    box-shadow: 0 1px 0 #2392f3 inset, 0 -1px 0 #2392f3 inset, 1px 0 0 #2392f3 inset, -1px 0 0 #2392f3 inset, 0 0 4px rgba(35, 146, 243, 0.5);
    outline: none;
    background: 12px 11px no-repeat, #ffffff;
}