.gpb-booking-time-picker__slot {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #b1b1b1;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

button, input[type=button], input[type=reset], input[type=submit] {
    background: #55555e;
    color: #181818;
    border: 1px solid transparent;
    cursor: pointer;
    -webkit-appearance: button;
    padding: 10px 20px;
}