.input-form-select-hour {
    width: 100%;
    position: relative;
}

.input-form-select-hour select {
    margin-top: 16px;
    border-radius: 6px;
    border: solid 1px #666666;
    padding: 12px;
    width: 100%;
    /* background: #ffff; */
    font-family: 'VodafoneRegular', arial, sans-serif;
    font-size: 18px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.input-form-select-hour option.hidden {
    display: none;
}

.input-form-select-hour::after {
    content: " ";
    position: absolute;
    right: 20px;
    top: 30px;
    width: 8px;
    height: 8px;
    display: block;
    border-left: 1px solid #333;
    border-bottom: 1px solid #333;
    transform: rotate(-45deg);
    transition: all 0.25s ease;
}

.input-form-select-hour select:required:invalid {
    color: #666;
}

option[value=""][disabled] {
    display: none;
}