#exoplanet_sidebar_layout label{
	position: relative;
	display: inline-block;
	margin-right: 20px;
	margin-top: 10px;
}

#exoplanet_sidebar_layout label input{
	opacity: 0;
	position: absolute;
	left: 0;
	top: 0;
}

#exoplanet_sidebar_layout label img{
	vertical-align: middle;
	border: 2px solid transparent;
}

#exoplanet_sidebar_layout label input:checked + img{
	border: 2px solid #0073aa;
}