#element-selectors h1 {
  color: blue;
  text-shadow: 1px 1px 1px black;
  background:lightgreen ;
  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;
    background-image: url(k.jpg)
    
   
  }

  /* 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 forestgreen;
    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: darkblue;
    text-align: center;
    font-weight: bold;
  }

  .info-box li a:focus, .info-box li a:hover {
    background-color: lawngreen;
    color: white;
  }

  .info-box li a.active {
    background-color: forestgreen;
    color: white;
  }

  /* styling info-box panels */

  .info-box .panels {
    clear: both;
    position: relative;
    height: 352px;
  }

  .info-box article {
    background-color: lightgreen;
    color: white;
    position: absolute;
    padding: 10px 20px;
    height: 400px;
    width: 602px;
    top: 0;
    left: 0;
  }

  .info-box .active-panel {
    z-index: 1;
  }




#attribute-selectors li[lang="me"] {
  background: url("ME.jpg") 5px center no-repeat;
}

#attribute-selectors li[lang="ca"] {
  background: url("ICANA.jpg") 5px center no-repeat;
}

#attribute-selectors li[data-perf*="inc"] {
  background-color: rgba(0,255,0,0.7);
}


#attribute-selectors li[lang="ee"] {
  background: url("EEUU%20(1).png") 5px center no-repeat;
}

#attribute-selectors li[data-perf*="same"] {
  background-color: rgba(0,0,255,0.5);
}

#attribute-selectors li[data-perf*="dec"] {
  background-color: rgba(255,0,0,0.7);
}

#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: green;
}

#pseudo-class-selector ul li::after{
    content:".";
}

li{
    counter-increment: contador;
}


#selec ol{
 color: blue
}
#selec ol li::before{
    
    content: "~ "; 
    color: black;
    
}

#selec ol li::after{
    content:".";
}

li{
    counter-increment: contador;
}