用户:Nannnnn/代码测试/common.css

body {
  background-color: #000080;
  opacity:0.3;
}

.lw-treebut {
    border-radius: 0;
    width: 1em;
    text-align: center;
    height: calc(1.4em + 4px);
    border-color: LightGray; 
    background-color: Tomato; 
}