*{margin:0;padding:0;box-sizing:border-box}body,html{height:100%;width:100%;background-color:#f7f8fa}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50;height:100%}.app-container{position:relative;min-height:100%}.test-container{margin-bottom:20px}.hide-test,.show-test{position:fixed;top:10px;right:10px;z-index:1000;padding:5px 10px;background-color:#1989fa;color:#fff;border:none;border-radius:4px;cursor:pointer}