* {
    margin: 0;
    padding: 0;
    font-family: Arial, Tahoma, Helvetica;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    padding: 40px;
}