.custom-select {
    position: relative;
    padding: .75rem 1rem;
    border: 1px solid rgba(0, 46, 103, 0.2);
    background-color: rgba(255, 255, 255, 0.253);
    border-radius: 10px;
    margin-bottom: 10px;
}
.custom-select:after {
    content: "";
    display: block;
    position: absolute;
    top: calc(50% - 2px);
    right: 1rem;
    border-left: 4px solid transparent;
    border-top: 4px solid currentColor;
    border-right: 4px solid transparent;
}
.custom-select select {
    -webkit-appearance: none;
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}