.panel{position:relative;height:300px;background: #ffffff; border:solid 1px #aaa;
		-webkit-box-sizing: border-box;-moz-box-sizing: border-box;	box-sizing: border-box;
		-webkit-transition: all 0.5s ease;-moz-transition: all 0.5s ease;-o-transition: all 0.5s ease;transition: all 0.5s ease;}
#Gridhouder .columns{margin-bottom:20px;}

@media (max-width: 640px) {
.panel3{height: 350px !important;}
}

@media (max-width: 450px) {
.panel3{height: 480px !important;}
}