[tooltip]{
    position:relative;
  }
  [tooltip]::before {
      content: "";
      position: absolute;
      top:-6px;
      left:50%;
      transform: translateX(-50%);
      border-width: 4px 6px 0 6px;
      border-style: solid;
      border-color: rgba(0,0,0,0.7) transparent transparent     transparent;
      z-index: 100;
      opacity:0;
      transition: opacity 0.1s ease-in;
  }
  [tooltip]::after {
      content: attr(tooltip);
      position: absolute;
      left:50%;
      top:-6px;
      transform: translateX(-50%)   translateY(-100%);
      background: rgba(0,0,0,0.7);
      text-align: center;
      color: #fff;
      padding:4px 4px;
      font-size: 12px;
      min-width: 80px;
      border-radius: 5px;
      pointer-events: none;
      opacity:0;
      transition: opacity 0.1s ease-in;
  }
  [tooltip-position='left']::before{
    left:0%;
    top:50%;
    margin-left:-12px;
    transform:translatey(-50%) rotate(-90deg) 
  }
  [tooltip-position='top']::before{
    left:50%;
  }
  [tooltip-position='bottom']::before{
    top:100%;
    margin-top:8px;
    transform: translateX(-50%) translatey(-100%) rotate(-180deg)
  }
  [tooltip-position='right']::before{
    left:100%;
    top:50%;
    margin-left:1px;
    transform:translatey(-50%) rotate(90deg)
  }
  [tooltip-position='left']::after{
    left:0%;
    top:50%;
    margin-left:-8px;
    transform: translateX(-100%)   translateY(-50%);
  }
  [tooltip-position='top']::after{
    left:50%;
  }
  [tooltip-position='bottom']::after{
    top:100%;
    margin-top:8px;
    transform: translateX(-50%) translateY(0%);
  }
  [tooltip-position='right']::after{
    left:100%;
    top:50%;
    margin-left:8px;
    transform: translateX(0%)   translateY(-50%);
  }

  [tooltip]:hover::after,[tooltip]:hover::before {
    opacity:1
 }