disable text selection html

1
2<div 
3 style="-moz-user-select: none;
4        -webkit-user-select: none;
5        -ms-user-select:none;
6        user-select:none;
7        -o-user-select:none;"
8     
9 unselectable="on"
10 onselectstart="return false;" 
11 onmousedown="return false;">
12    Blabla
13</div>

1<div 
2 style="-moz-user-select: none; -webkit-user-select: none; -ms-user-select:none; user-select:none;-o-user-select:none;" 
3 unselectable="on"
4 onselectstart="return false;" 
5 onmousedown="return false;">
6    Blabla
7</div>