html { 
    overflow-y: auto !important;
}
body {
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
}

*{
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;    
}