*{
      box-sizing: border-box;
      text-transform: none;
      font-style: normal;
      font-variant: normal;
      text-decoration: none;
      font-family: Arial, sans-serif;
    }
    html{
      height: 100%;
    }
    body{
            background: -webkit-linear-gradient(55deg, #166bb9, #3714cd);
            background: -moz-linear-gradient(55deg, #166bb9, #3714cd);
            background: -ms-linear-gradient(55deg, #166bb9, #3714cd);
            background: -o-linear-gradient(55deg, #166bb9, #3714cd);
            background: linear-gradient(55deg, #166bb9, #3714cd);
            margin: 0;
            padding: 0;
            display: flex;
            
    }
    header{
            overflow: hidden;
            display: block;
            position: fixed;
            top: 0;
            right: 0;
            left: 0;
            background: -webkit-linear-gradient(4deg, #455341, #82889b);
            background: -moz-linear-gradient(4deg, #455341, #82889b);
            background: -ms-linear-gradient(4deg, #455341, #82889b);
            background: -o-linear-gradient(4deg, #455341, #82889b);
            background: linear-gradient(4deg, #455341, #82889b);
            padding: 10px;
    }
    header img{
      float: left;
      width: 40px;
      border-radius: 10px;
      -webkit-box-shadow: 0px 0px 5px 3px rgb(255, 255, 255, 0.2); 
            box-shadow: 0px 0px 5px 3px  rgb(255, 255, 255, 0.2);
    }
    header button{
      float: right;
      background-color: transparent;
      border: none;
      outline: none;
      cursor: pointer;
      margin-right: 2px;
    }
    header button svg{
      width: 35px;
      height: 35px;
      color: rgb(255, 255, 255, 0.7);
      border: 1px solid  rgb(255, 255, 255, 0.5);
      padding: 5px;
      border-radius: 10px;
      
    }
    header button svg:hover{
      -webkit-box-shadow: 0px 0px 5px 3px rgb(255, 255, 255, 0.2); 
            box-shadow: 0px 0px 5px 3px  rgb(255, 255, 255, 0.2);
    }
        .aviso-descarga {
            width: 300px;
            padding: 10px;
            border: 3px solid rgb(55, 55, 55, 0.4);
            border-radius: 15px;
            background-color: #ffffff;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .aviso-descarga button {
            margin-top: 10px;
            border-radius: 5px;
            border: none;
            padding: 5px;
            font-weight: 700;
        }
        main{
          width: 100%;
          margin-top: 70px;
          padding: 15px;
          overflow: hidden;
          display: block;
        }
        section{
          width: 48%;
          float: left;
          margin-left: 1.3%;
          margin-bottom: 15px;
          
        }
        @media only screen and (max-width:780px){
          section{
            width: 100%;
            margin-left: 0;
            
          }
        }
        section .caja{
          width: 100%;
          background-color: rgb(255, 255, 255, .2);
          padding: 5px;
          border-radius: 15px;
        }
        section .caja .butons{
          width: 100%;
          display: inline-block;
          overflow: hidden;
          padding: 5px;

        }
        .butons button{
          width: 48%;
          outline: none;
          cursor: pointer;
          border: none;
          padding: 5px;
          border-radius: 8px;
          font-size: 0.9em;
          font-weight: 700;
          background-color: transparent;
          color: rgb(255, 255, 255, 0.7);
        }

        .butons button.active {
      background-color: transparent;
      -webkit-box-shadow: 0px 0px 5px 3px rgb(255, 255, 255, 0.4); 
            box-shadow: 0px 0px 5px 3px  rgb(255, 255, 255, 0.4);
      color: rgb(255, 255, 255, 0.7);
      }
      .caja .section{
        width: 100%;
        padding: 10px;
      }
      .caja .section h2{
        color: rgb(255, 255, 255, 0.7);
        font-size: 1.4em;
      }
      .caja .section p{
        color: rgb(255, 255, 255, 0.5);
        font-size: 1em;
      }
      .caja .slideshow-container {
      position: relative;
      max-width: 220px;
      max-height: 460px;
      margin: 0 auto;
      padding: 10px;
      background:#37474F ;
      border-radius: 5px;
      -webkit-box-shadow: 0px 0px 6px 3px rgb(255, 255, 255,.6); 
      box-shadow: 0px 0px 6px 3px rgb(255, 255, 255,.6);
    }

    .caja .slideshow-container img {
      display: none;
      width: 100%;
      height: auto;
      border-radius: 4px;
    }
    .caja .dev{
      width: 50%;
      border-radius: 50%;
      text-align: center;
      -webkit-box-shadow: 0px 0px 6px 3px rgb(255, 255, 255,.6); 
        box-shadow: 0px 0px 6px 3px rgb(255, 255, 255,.6);
    }