#element-selectors h1 {
    color: rgb(11, 11, 12);
    text-shadow: 1px 1px 1px black;
    background:rgb(126, 234, 238) ;
    padding: 3px;
    text-align: center;
    box-shadow: inset 2px 2px 5px rgba(0,0,0,0.5), inset -2px -2px 5px rgba(255,255,255,0.5);
  }
  html {
      font-family: sans-serif;
    }
  
    * {
      box-sizing: border-box;
    }
  
    body {
      background-color: azure
      margin: 0;
      
     
    }
  
    /* info-box setup */
  
    .info-box {
      width: 602px;
      height: 500px;
      margin: 20px auto 0;
    }
  
    /* styling info-box tabs */
  
    
  
    .info-box li {
      float: left;
      list-style-type: none;
      width: 200px;
    }
  
  .info-box ul {
      border: 1px solid rgb(230, 137, 133);
      overflow: hidden;
      height: 50px;
      margin: 0;
      padding: 0;
    }
  
    .info-box li a {
      display: inline-block;
      text-decoration: none;
      width: 100%;
      line-height: 50px;
      background:lightblue ;
      color: rgb(231, 198, 89);
      text-align: center;
      font-weight: bold;
    }
  
    .info-box li a:focus, .info-box li a:hover {
      background-color: rgb(39, 44, 33);
      color: white;
    }
  
    .info-box li a.active {
      background-color: rgb(96, 97, 96);
      color: white;
    }
  
    /* styling info-box panels */
  
    .info-box .panels {
      clear: both;
      position: relative;
      height: 352px;
    }
  
    .info-box article {
      background-color: rgb(125, 123, 230);
      color: white;
      position: absolute;
      padding: 10px 20px;
      height: 450px;
      width: 602px;
      top: 0;
      left: 0;
    }
  
    .info-box .active-panel {
      z-index: 1;
    }
  
  
  
  #attribute-selectors li[data-perf*="inc"] {
    background-color: rgba(62, 222, 228, 0.7);
  }

  #attribute-selectors li[data-perf*="long"] {
    background-color: rgba(228, 95, 62, 0.7);
  }
  
  #attribute-selectors li[data-perf*="same"] {
    background-color: rgba(0,0,255,0.5);
  }
  
  #attribute-selectors li[data-perf*="dec"] {
    background-color: rgba(160, 248, 59, 0.7);
  }
  
  #attribute-selectors li[data-perf*="pro"] {
    font-weight: bold;
  }
  
  #attribute-selectors li[data-perf*="rel"] {
    font-style: italic;
    color: #666;
  }
  
  #attribute-selectors ol {
    padding: 0;
  }
  
  #attribute-selectors li {
    padding: 3px 3px 3px 34px;
    margin-bottom: 5px;
    list-style-position: inside;
  }
  
  #attribute-selectors ul {
  border-bottom: 1px;
  }
  
  
  #pseudo-class-selector ul {
     overflow: none;
      height:600px;
      margin: 0;
      padding: 0;
    border: 0px;
    list-style: none;
  
  }
  #pseudo-class-selector ul li::before{
      content: " " counter(contador)" .- "; 
      color: rgb(62, 29, 116);
  }
  
  #pseudo-class-selector ul li::after{
      content:".";
  }
  
  li{
      counter-increment: contador;
  }
  
  
  #selec ol{
   color: rgb(255, 255, 255)
  }
  #selec ol li::before{
      
      content: "* "; 
      color: black;
      
  }
  
  #selec ol li::after{
      content:".";
  }
  
  li{
      counter-increment: contador;
  }
  
  body{
    background-image: url(https://img.freepik.com/vector-premium/ilustracion-mapa-mundo-banderas-todos-paises_37674-7.jpg?w=2000);
    color: blueviolet;
  }