Tooltip text prompts to modify the background color of the arrow color

3 == "vue Right-click on
<div @ contextmenu.prevent =" mouseRightClick ">
Prevent is to prevent the default mouse events

 

 

4 == "set up their own package, can not write @ click =" Delbg (index) " This one is no effect oh.
<-! Notecolordel is your own components ->
<notecolordel @ passFaDel = "passFaDel (index)" @ the Click = "Delbg (index)"> </ notecolordel>

 

 

5 == "How to use CSS to select all child elements other than the last one?
Element: Not (: Child-Last) {
// the CSS style
}

 

6 == "Tooltip text prompts to modify the background color of the arrow color

The original address https://blog.csdn.net/SundayAaron/article/details/81510193

	 <el-tooltip content="Top center" placement="right" popper-class="test">
	       <el-button>Dark</el-button>
	 </el-tooltip>

　

        / * The following two modifications arrows color   * / 
        .el -tooltip__popper [X ^ = Placement- right] {.popper__arrow 
              border -right- Color: # 1ab394; 
         } 

        .el -tooltip__popper [X ^ = Placement- right] .popper__arrow: {After 
            border -right- color: # 1ab394; 
         } 
 
         / * content balloon background color * / 
        .test { 
          background: # 1ab394 ! Important; 
        }