style.css

* {
    margin: 0
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #ffffff;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' %3E%3Cdefs%3E%3ClinearGradient id='a' x1='0' x2='0' y1='0' y2='1'%3E%3Cstop offset='0' stop-color='%2380F'/%3E%3Cstop offset='1' stop-color='%23f40'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpattern id='b' width='24' height='24' patternUnits='userSpaceOnUse'%3E%3Ccircle fill='%23ffffff' cx='12' cy='12' r='12'/%3E%3C/pattern%3E%3Crect width='100%25' height='100%25' fill='url(%23a)'/%3E%3Crect width='100%25' height='100%25' fill='url(%23b)' fill-opacity='0.1'/%3E%3C/svg%3E");
    background-attachment: fixed;
    background-size: cover;
}

.form-register { 
    height: 100%;
    width: 400px;
    background: #F28BB1;
    padding: 40px;
    margin: auto;
    margin-top: 200px;
    border-radius: 4px;
    font-family: 'arial';
    color: black;
    box-shadow: 7px 13px 37px black;
}

.form-register h4 {
    font-size: 30px;
    margin-bottom: 20px;
    margin-top: 10px;
}

.controls {
    width: 100%;
    background: #C77D98;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 5px;
    border: 1px solid #00173D;
    font-family: cursive;
    font-size: 18px;
}

.form-register .botons { 
    width: 100%;
    color: black;
    background: #B590A3;
    border: none;
    font-family: arial;
    padding: 20px;
    margin-top: 10px;
    margin-bottom: 5px;
    font-size: 18px;
}