/*.gray-big-event{
background-image:none !important;
filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
  -webkit-filter:grayscale(100%);
  -moz-filter:grayscale(100%);
  -ms-filter:grayscale(100%);
  -o-filter:grayscale(100%);
  filter:grayscale(100%);
  filter:gray;
}
*/
/*
html {overflow-y:scroll;filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);-webkit-filter: grayscale(100%);}
*/