@media screen and (max-width: 980px) {
  
  #header {
    height: auto;
  }
  
  #headerleft {
    width: auto;
    float: inherit;
  }
  
  #headerright {
    height: auto;
  }
  
  #rightbar {
    display: none;
  }
  
  article {
    margin-right: 25px;
  }

}

@media screen and (max-width: 920px) {

  
  
  #leftbar {
    position: absolute;
    top: 101px; 
  } 
  
  .fixed {
    position: fixed !important;
    top: 0 !important;
  }

}

@media screen and (max-width: 760px) {
  
  body {
    padding-top: 0;
  }
  
  #top {
    height: 100px;
    position: relative;
  }
  
  #logo {
    text-align: center;
  }

  #menu {
    position: relative;
    right: auto;
    border-top: 1px solid #EEE;
    text-align: center;
    padding: 5px 0;
  }
  
  
  #menu {
    border: 0;
    padding-bottom: 0 !important;
  }
  
  #menu a {
    display: block !important;
    background: none; 
    padding: 15px 0;
    border-top: 1px solid #EEE;
  }
  
  #top {
    height: auto;
    padding-bottom: 10px;
  }

  .mnusep {
    display: inline-block;
    width: 49%;
  }
  
  #leftbar {
    top: 136px; 
  }

}

@media screen and (max-width: 720px) {
  
  #filters {
    text-align: center;
  }
  
  #content {
    margin: 0 !important;
  }

  article {
    margin: 0;
  }
  
  #leftbar {
    position: relative !important;
    top: 0;
    left: inherit;
    width: auto;
    padding: 0;
    padding-bottom: 10px;
  }
  
  #guruarticulo, #guruicon {
    animation: float 5s ease-in-out infinite;
  }
  
  #gurusombra {
    animation: sombra 5s ease-in-out infinite;
  }
  
}

@media screen and (max-width: 450px) {
  
    
  #top {
    position: relative;
    padding: 15px 0 !important;
  }
  
  #logo {
    padding: 0 15px;
  }
  
  .mnusep {
    display: inherit !important;
    width: 100% !important;
  }
  
  #menu a {
    display: inline-block;
    width: 100%;
  }
}

@media screen and (max-width: 320px) {
  #menu {
    display: none;
  }
  
}