html, body { 
 padding: 0; 
 margin: 0; 
 -webkit-touch-callout: none; 
    -webkit-user-select: none; 
    -khtml-user-select: none; 
    -moz-user-select: none; 
    -ms-user-select: none; 
    user-select: none; 
    min-height: 100%; 
    height: 100%; 
    overflow: hidden; 
 background: #1b0851; 
 color: white; 
}