#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}nav{padding:30px}nav a{font-weight:700;color:#2c3e50}nav a.router-link-exact-active{color:#42b983}.clearfix{text-align:start}.custom-tree-node{flex:1;display:flex;align-items:center;justify-content:space-between;font-size:14px;padding-right:8px}.iframe-container{width:720px;height:1000px}.box-card{margin-top:32px}iframe{width:800px;height:940px}