.section {
    position: relative;
    height: 100vh;
}

    .section .section-center {
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        -webkit-transform: translateY(-50%);
        transform: translateY(-50%);
    }

#booking {
    font-family: 'Sarabun', sans-serif;
    background: url('../img/eclassroom.png') no-repeat center center fixed;
    background-size: cover;
    background-position: center;
}

    #booking::before {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        top: 0;
        /*background: rgba(47, 103, 177, 0.6);*/
    }

.booking-form {
    background-color: #fff;
    padding: 50px 20px;
    -webkit-box-shadow: 0px 5px 20px -5px rgba(0, 0, 0, 0.3);
    box-shadow: 0px 5px 20px -5px rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

    .booking-form .form-group {
        position: relative;
        margin-bottom: 30px;
    }

    .booking-form .form-control {
        background-color: #ebecee;
        border-radius: 4px;
        border: none;
        height: 40px;
        -webkit-box-shadow: none;
        box-shadow: none;
        color: #3e485c;
        font-size: 14px;
    }

        .booking-form .form-control::-webkit-input-placeholder {
            color: rgba(62, 72, 92, 0.3);
        }

        .booking-form .form-control:-ms-input-placeholder {
            color: rgba(62, 72, 92, 0.3);
        }

        .booking-form .form-control::placeholder {
            color: rgba(62, 72, 92, 0.3);
        }

    .booking-form input[type="date"].form-control:invalid {
        color: rgba(62, 72, 92, 0.3);
    }

    .booking-form select.form-control {
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }

        .booking-form select.form-control + .select-arrow {
            position: absolute;
            right: 0px;
            bottom: 4px;
            width: 32px;
            line-height: 32px;
            height: 32px;
            text-align: center;
            pointer-events: none;
            color: rgba(62, 72, 92, 0.3);
            font-size: 14px;
        }

            .booking-form select.form-control + .select-arrow:after {
                content: '\279C';
                display: block;
                -webkit-transform: rotate(90deg);
                transform: rotate(90deg);
            }

    .booking-form .form-label {
        display: inline-block;
        color: #3e485c;
        font-weight: 700;
        margin-bottom: 6px;
        margin-left: 7px;
    }

    .booking-form .submit-btn {
        display: inline-block;
        color: #fff;
        background-color: #1e62d8;
        font-weight: 700;
        padding: 14px 30px;
        border-radius: 4px;
        border: none;
        -webkit-transition: 0.2s all;
        transition: 0.2s all;
    }

        .booking-form .submit-btn:hover,
        .booking-form .submit-btn:focus {
            opacity: 0.9;
        }

.booking-cta {
    margin-top: 80px;
    margin-bottom: 30px;
}

    .booking-cta h1 {
        font-size: 52px;
        text-transform: uppercase;
        color: #fff;
        font-weight: 700;
    }

    .booking-cta p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.8);
    }