.txt-center {
    text-align: center;
}

.enroll-course input[type="text"], .enroll-course input[type="email"], .enroll-course input[type="url"], .enroll-course input[type="password"], .enroll-course input[type="search"], .enroll-course input[type="number"], input[type="tel"], .enroll-course textarea {
    border: 1px solid white;
    border-radius: 5px;
    outline: 0;
    background-color: white;
}