body{
  font-family:"黑体"
  //user-select :none;
}
.theme-default-content:not(.custom),
.page-edit,
.page-nav{
  max-width: 100%;
}

canvas {
  display: block;
  margin: 10px 0;
  border: 1px solid #ccc;
}
canvas:focus{
  outline :none;
}
.el-table__body, .el-table__footer, .el-table__header{
  margin:0;
}