body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  margin: 0;
}

.bg-box-1{
  background-color:rgba(8, 49, 87, 0.9);
  background: rgba(8, 49, 87, 0.9);
}

.box-1{
    background-color:rgba(8, 49, 87, 0.9);      
    color:whitesmoke;
  }
.box-1-shadow{        
    background-color:rgba(8, 49, 87, 0.2);      
    color:whitesmoke;
    border-radius: 5px;
    box-shadow: 5px 10px 8px rgba(26, 113, 175, 0.5);    
}  
  .box-2{
    background-color:rgba(26, 113, 175, 1);
    color:#101214;
  }
  .box-3{
    /*background-image:url('../images/escudo_half.png');*/
    background-size: 500px 100%;
    background-position:right;
    background-repeat: no-repeat;  
    background-color: #313945;
    color:whitesmoke;
  }
  .serv1{
    background-image:url('../images/img1.png');  
    background-size: 220px 180px;
    min-width:220px;
    min-height:180px;
    background-position:center;
    background-repeat: no-repeat;  
    background-color: #313945;
    color:whitesmoke;  
  }
  .serv2{
    background-image:url('../images/img9.png');  
    background-size: 220px 180px;
    min-width:220px;
    min-height:180px;
    background-position:center;
    background-repeat: no-repeat;  
    background-color: #313945;
    color:whitesmoke;  
  }
  .serv3{
    background-image:url('../images/img10.png');  
    background-size: 220px 180px;
    min-width:220px;
    min-height:175px;
    background-position:center;
    background-repeat: no-repeat;  
    background-color: #313945;
    color:whitesmoke;  
  }
  .fondo1{
    background-image:url('../images/escudo_half.png');
    background-size: 700px 1200px;
    position: relative;
    background-position:right;
    background-repeat: no-repeat;    
  }

  /*
  * side bar
  */
  .sidenav {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: rgba(10, 34, 56, 0.9);
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
  }
  
  .sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 18px;
    color: #818181;
    display: block;
    transition: 0.3s;
  }
  
  .sidenav a:hover {
    color: #f1f1f1;
  }
  
  .sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 30px;
    margin-left: 50px;
  }
  

  @media screen and (max-height: 450px) {
    .sidenav {padding-top: 15px;}
    .sidenav a {font-size: 18px;}
  }


  @-webkit-keyframes blinker-danger {
    from {opacity: 1.0;}
    to {opacity: 0.0;}
  }

  .blink-danger{
    text-decoration: blink;
    color:white;
    background-color: red;
    -webkit-animation-name: blinker-danger;
    -webkit-animation-duration: 0.6s;
    -webkit-animation-iteration-count:infinite;
    -webkit-animation-timing-function:ease-in-out;
    -webkit-animation-direction: alternate;
  }

  @-webkit-keyframes blinker-warning {
    from {opacity: 1.0;}
    to {opacity: 0.0;}
  }

  .blink-warning{
    text-decoration: blink;
    color:black;
    background-color: rgb(255, 208, 0);
    -webkit-animation-name: blinker-warning;
    -webkit-animation-duration: 0.6s;
    -webkit-animation-iteration-count:infinite;
    -webkit-animation-timing-function:ease-in-out;
    -webkit-animation-direction: alternate;
  }