*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-size: 20px;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
div{
    padding-top: 20px;
    margin-left:10px;
}

input[type=submit]{
    width:10rem;

}