vue-admin-core/theme-chalk/components/tree.css

A Component Library for Vue 3

.vac-tree{--vac-tree-line-width:1px;--vac-tree-line-color:#cfcfcf;--vac-tree-line-style:solid;--vac-tree-node-border:var(--vac-tree-line-width) var(--vac-tree-line-style) var(--vac-tree-line-color)}.vac-tree .el-tree-node__expand-icon{font-size:18px}.vac-tree .el-tree-node__expand-icon.expanded{transform:none}.vac-tree .el-tree-node__expand-icon.is-leaf{visibility:visible}.vac-tree-node-icon img{width:18px;height:18px}.vac-tree.el-tree .el-tree-node__content{position:relative}.vac-tree-node-label-wrapper{flex:1;display:flex;align-items:center}.vac-tree-node-line-var{display:block;position:absolute;top:0;left:0;height:100%;border-left:var(--vac-tree-node-border)}.vac-tree-node-line-var.last-node-isLeaf-line{height:50%}.vac-tree-node-line-hor{display:block;position:absolute;top:50%;left:0;height:0;border-bottom:var(--vac-tree-node-border)}.vac-tree-node-label-line{flex:1;border-top:var(--vac-tree-node-border);align-self:center;margin:0 10px}