html, body {
      margin: 0;
      padding: 0;
      width: 100%;
}

body {
      font-family: "Helvetica Neue",sans-serif;
      font-weight: lighter;
}


.primerheader{
      top: 0;
      width: 100%;
      height: 110px;
      background: rgba(0,0,0,0.8);
      border-bottom: 1px solid #353535;
      z-index:999;
      position: fixed;
      padding: 10px;
}



#portada{
      margin-top: 0px;
}



.barra{
      width: 100%;
      background-color: #212121;
      color: #fff;
      text-decoration: none;
      text-align: center;
      font-size: 12px;

      margin: 0 auto;
      padding: 2px;
      font-family: "Helvetica Neue",sans-serif;
}

header {
      width: 100%;
      height: 14vh; 
     
}

.aviso1{
      text-decoration: none;
      color: #fff;
}

.aviso1:hover{
      color: #dedc2e;
}


.logo {
       line-height: 60px;
      /*position: fixed; */
      float: left;
      margin: 6px 100px;   
      font-weight: bold;
      font-size: 14px;
      letter-spacing: 2px;
      display: flex;
}


.logoimg{
     width: 260px;
     height: 110px;
}

nav {
      
      width: 100%;
      background: #fff;
      z-index: 99999;
      background: white;
      box-shadow: 2px 2px 5px #999;
      height: 130px;
}

nav ul {
      line-height: 30px;
      list-style: none;      
      overflow: hidden;
      color: #000;
      padding: 0;
      text-align: right;
      margin: 0;
      padding-right: 0px;
      transition: 1s;
      width: 65%;
        border-top: 1px solid #aaa5a5cc;
        float: right;

}

nav ul li a:hover{
      color: red;
}

nav.black ul {
      background: white;
      width: 100%;
      position: fixed;
      top: 0px;
      z-index: 9999;
      transition: 2s;
      text-align: center;
}

nav.black ul li a{
      color: black;
}

nav.black{
      top:0px;
      transition: 1s;
      height: 94px;

}

nav.black .logoimg{
      width: 220px;
      height: 80px;
         transition: 2s;
      display: none;

}

nav ul li {
      
      display: inline-block;
      padding: 6px 20px;
   
}

nav ul li a {
       font-weight: bold;
      text-decoration: none;
      color: black;
      font-size: 16px;
}



.menu-icon {
      line-height: 60px;
      width: 100%;
      background: white;
      text-align: right;
      box-sizing: border-box;
      padding: 15px 24px;
      cursor: pointer;
      color: #2f53aa;
      display: none;
}

@media(max-width: 950px) {

      .logo {
            margin-top: 16px;  
            margin-left: 10px;     
      }

      .logoimg{
      width: 220px;
      height: 70px;
      padding: 0px;
      margin-top: 10px;
      margin-left: 20px;

      }

      nav.black .logoimg{
      width: 220px;
      height: 70px;
      padding: 0;
      }


      nav ul {
            float: left;
            width: 100%;
            max-height: 0px;
            padding-top: 40px;
            border: none;
      }

      nav{
            height: 50px;
      }



      nav.black .logo{
            top: 0px;
      }

      .showing {
            max-height: 34em;
            background: white;
            top: 0;
      }

      nav ul li {
            box-sizing: border-box;
            width: 100%;
            padding: 24px;
            text-align: center;
      }

      .menu-icon {
            display: flex;

      }


      nav.black .info_menu{
            display: none;
            transition: 33s;
      }

      nav.black .contenedor_menu{
            height: 40px;
            transition: 2s;
      }

      nav.black ul{
            border: none;
            display: inline-block;
            margin-top:0px;
            padding-top: 0px;

      }


}


@media(max-width: 1250px) {
      nav ul {
           
            width: 100%;
            padding-top: 40px;
            border: none;
            background-color: white;
            z-index: 9999;
      }


      nav.black ul {
      background: white;
      width: 100%;
      position: fixed;
      top: 0px;
      text-align: center;
      z-index: 9999;
      transition: 2s;
      }

      .logo{
            height: 60px;
            z-index: 9;
            top: 35px;
      }

}