.system{background:#373737;position:absolute;top:0;right:0;bottom:0;left:0;overflow:auto}.system .subsystem-button{margin:10px;position:relative;cursor:pointer;width:124px;height:106px;float:left;text-align:center;border-radius:6px;border:1px solid #929292;background:#eaeaea;background:linear-gradient(to bottom,#eaeaea,#cbcbcb)}.system .subsystem-button h4{margin:0;padding:0;color:#2a2a2a;font-size:13px;min-height:15px}.system .subsystem-button h5{position:absolute;bottom:4px;left:4px;right:4px;margin:0;padding:0;font-size:11px;font-weight:400;color:#2a2a2a}.system .subsystem-button img{width:50%}.system .list-group .list-group-item img{width:50px}