#wrapper{display:-webkit-box;display:-ms-flexbox;display:flex;height:100vh}#componentLibrary{width:200px;background:#e1e1e1}.diagram-container{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1;background:#fff;position:relative}.library-item{margin:10px}.library-item,.state-item{padding:5px;background:#f6f6f6;border:2px solid #ddd;text-align:center;cursor:pointer}.state-item{height:80px;width:80px;border-radius:8px}.save-button{right:40px}.back-button,.save-button{position:absolute;margin-top:20px;padding:10px 20px;border:none;cursor:pointer}.back-button{left:240px}