select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding: .5em;
    background: #efefef;
    border: none;
    border-radius: 3px;
    padding: 1em 2em 1em 1em;
    font-size: 1.25em;
}
select::-ms-expand {
    display: none;
}
.select-container {position:relative; display: inline;}
.select-container:after {content:""; width:0; height:0; position:absolute; pointer-events: none;}
.select-container:after {
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    top: .3em;
    right: .75em;
    border-top: 8px solid black;
    opacity: 0.5;
}