body {
    background-image: url('../img/bg01.jpg');
    background-size: cover;
    background-attachment: fixed;
}
.box {
    background-color: #00000036;
    padding: 30px;
    border-radius: 25px;
    color: #f08500;
    font-size: 15px;
}
.form-control {
    font-size: 15px;
}
@media screen and (max-width: 600px) {
    .box, .form-control {
        font-size: 10px;
    }
}
.loading {
    display: none;
}