.m-extend,.m-extend-overlay{position:fixed;top:0;height:100%;transition:.3s}.m-extend-overlay{visibility:hidden;opacity:0;z-index:50;left:0;background:rgba(0,0,0,.7);width:100%}.m-extend-active.m-extend-overlay{visibility:visible;opacity:1}.m-extend{z-index:600;overflow-y:auto;width:250px;background:#20abe2;visibility:hidden;opacity:0}.m-extend-fix-left{left:-300px}.m-extend-active.m-extend-fix-left{left:0;visibility:visible;opacity:1}