html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
}

.nocopy {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}