*{
    background-color: blue;
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}

form{
    background-color: white;
    width: 300px;
    height: 300px;
    text-align: center;
    margin: auto;
    margin-top: 100px;
    padding-top: 20px;
    border-radius: 10px;
}