html, body {
    height: 100%;
    width: 100%;
    display: grid;
}

body {
    margin: 0;
    background-size: 100%;
    font-family: 'Roboto', sans-serif;
    color: #000;
  }

  .bgm{
    background-image: url("../main.jpg");
    background-size: 100%;
    color: yellow;
    font-size: 40px;
    font-family: 'Oswald', sans-serif;
    -webkit-text-stroke: 1px black;
    text-shadow:
       3px 3px 0 #000,
     -1px -1px 0 #000,  
      1px -1px 0 #000,
      -1px 1px 0 #000,
       1px 1px 0 #000;
  }

  .nl{
    text-align:justify;
  }

  .contenidotxt{
    text-align: justify;
  }

  .contenidotxt > h1{
    font-size: 24px;
    font-weight: bold;
    text-transform: uppercase;
    text-align: center;
    transition: all 0.3s;
}

  div.gallery {
    border: 1px solid #ccc;
  }
  
  div.gallery:hover {
    border: 1px solid #777;
  }
  
  div.gallery img {
    width: 100%;
    height: auto;
  }
  
  div.desc {
    padding: 15px;
    text-align: center;
  }
  
  * {
    box-sizing: border-box;
  }
  
  .responsive {
    padding: 0 6px;
    float: left;
    width: 24.99999%;
  }
  
  @media only screen and (max-width: 700px) {
    .responsive {
      width: 49.99999%;
      margin: 6px 0;
    }
  }
  
  @media only screen and (max-width: 500px) {
    .responsive {
      width: 100%;
    }

  }
  
  .clearfix:after {
    content: "";
    display: table;
    clear: both;
  }

  .footer-basic {
    padding:40px 0;
    background-color: black;
    color:#aaa;
  }
  
  .footer-basic ul {
    padding:0;
    list-style:none;
    text-align:center;
    font-size:18px;
    line-height:1.6;
    margin-bottom:0;
  }
  
  .footer-basic li {
    padding:0 10px;
  }
  
  .footer-basic ul a {
    color:inherit;
    text-decoration:none;
    opacity:0.8;
  }
  
  .footer-basic ul a:hover {
    opacity:1;
  }
  
  .footer-basic .social {
    text-align:center;
    padding-bottom:25px;
  }
  
  .footer-basic .social > a {
    font-size:24px;
    width:40px;
    height:40px;
    line-height:40px;
    display:inline-block;
    text-align:center;
    border-radius:50%;
    border:1px solid #ccc;
    margin:0 8px;
    color:inherit;
    opacity:0.75;
  }
  
  .footer-basic .social > a:hover {
    opacity:0.9;
  }
  
  .footer-basic .copyright {
    margin-top:15px;
    text-align:center;
    font-size:13px;
    color:#aaa;
    margin-bottom:0;
  }

  .resimg {
    width: 100%;
    max-width: 100%;
    height: 600px;
    max-height: 600px;
  }