.ch-grid {
	margin: 20px 0 0 0;
	padding: 0;
	list-style: none;
	display: block;
	text-align: center;
	width: 100%;
}

.ch-grid:after,
.ch-item:before {
	content: '';
    display: table;
}

.ch-grid:after {
	clear: both;
}


.padevent {
padding-left:3em;
padding-right:3em;
}  

 
  .ch-grid li {
	width: 220px;
	height: 220px;
	display: inline-block;
	margin: 20px;
 
}


  
@media screen and (max-width: 480px)
{
   .ch-grid li {
	width: 110px;
	height: 110px;
	display: inline-block;
	margin: 3px;
}  

.ch-grid {
	margin: 3px 0 0 0;
	padding: 0;
	list-style: none;
	display: block;
	text-align: center;
	width: 100%;
}  

.padevent {
padding-right:1em;
padding-left:1em;
padding-top:-5em;
padding-bottom:1em;
}  
}
/* #### Mobile Phones Portrait #### 
@media screen and (max-device-width: 480px) and (orientation: portrait){
 .ch-grid li {
	width: 100px;
	height: 100px;
	display: inline-block;
	margin: 20px;
}  
}


@media screen and (max-device-width: 640px) and (orientation: landscape){
  .ch-grid li {
	width: 100px;
	height: 100px;
	display: inline-block;
	margin: 20px;
}  
}
*/