body .warning .layui-layer-title {
  background-color: #fbbf24;
}
.layui-form-select dl dd.layui-this {
  background-color: #0284c7;
  color: #fff;
}
.tool {
  width: 800px;
  margin: 0 auto;
}
.tool .layui-form-item {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0;
}
.tool span {
  margin-right: 10px;
  font-size: 16px;
}
.tool button {
  margin: 0 10px;
  background-color: #5570c6;
}
#main {
  margin: 0 auto;
}