.demo{position:relative}.demo .hide,.hide+label~div{display:none}.demo .hide+label,.hide:checked+label{padding:0;cursor:pointer}.demo .hide:checked+label{color:red;border-bottom:0;display:none}.demo .hide:checked+label+div{display:block}.demo label{color:#3d8ce8;border-bottom:1px dashed}.demo .seo-text{position:relative;padding:5px 0}.demo .hide+label:before{content:'';display:block;position:absolute;bottom:0;right:0;left:0;height:4em}