.prevent-select {
  -webkit-user-select: none; /* Safari */
  -ms-user-select: none; /* IE 10 and IE 11 */
  -moz-user-select: none; Firefox
  user-select: none; /* Standard syntax */
}
div.bkgrnd1 {text-align:left; width:90%;background-color:#A9A9A9 }
div.bkgrnd3 {text-align:left; width:87%;background-color:#A9A9A9 }
div.marg { margin:auto }