.shadow {
 
box-shadow: 0px 0px 6px rgba(0,0,0,0.3);
-webkit-box-shadow: 0px 0px 6px rgba(0,0,0,0.3);
-moz-box-shadow: 0px 0px 6px rgba(0,0,0,0.3);
-webkit-transition-duration: 0.2s;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
margin-bottom: 20px;
}
 
.shadow:hover {
box-shadow: 0px 0px 20px rgba(0,235,255,0.8);
-webkit-box-shadow: 0px 0px 20px rgba(0,235,255,0.8);
-moz-box-shadow: 0px 0px 20px rgba(0,235,255,0.8);
}