.registration-form form {
    background-color: #fff;
    margin: auto;
    padding: 50px 70px;
    border-top-left-radius: 30px;
    border-top-right-radius: 30px;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.075);
}

.registration-form .form-icon {
    text-align: center;
    background-color: #5891ff;
    border-radius: 50%;
    font-size: 40px;
    color: white;
    width: 100px;
    height: 100px;
    margin: auto;
    margin-bottom: 50px;
    line-height: 100px;
}

.registration-form .item {
    border-radius: 20px;
    margin-bottom: 25px;
    padding: 10px 20px;
    border: 1px solid #eee;
}

.registration-form .create-student {
    border-radius: 30px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    background-color: var(--first-color);
    border: none;
    color: var(--white-color);
}
.create-student:hover{
    opacity: .95;
}
.create-student:active{
    opacity: .8;
}
@media (max-width: 576px) {
    .registration-form form {
        padding: 50px 20px;
    }

    .registration-form .form-icon {
        width: 70px;
        height: 70px;
        font-size: 30px;
        line-height: 70px;
    }
}