.v-body{height:calc(100% - 35px);display:flex;margin-top:10px}.v-body .v-tree{height:100%;flex-grow:1;border:1px solid #ddd;overflow:auto;width:1px}.v-body .v-action{width:60px;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:center}