html {
    height: 100vh;
   
}
body, html {    
    margin: 0;
    color: whitesmoke;    
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    background-color: #1a456e;
    background-image: url('../img/fondo-construccion.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
.caja{
    margin: auto;
    margin-top: 1rem;
    margin-bottom: 1rem;
    left: 0;
    right: 0;
    padding: 2rem;
    border: 2px solid white;
    width: 90%;
    height: 75vh;
    display: flex;
    justify-content: space-around;
}

.contenido{
    padding: 7rem;
    text-align: center;    
    height: 60vh;
}
.contenido p{
    line-height: 0.6rem; 
}

a.web{
    font-style: none;
    color: white;
    font-size: 2rem;
    padding: 20px; 
}

.redes a{
    margin-top: 2rem;
    padding: 0.7rem;
    font-family:"social-sash" !important;
    font-size: 3rem;
    color: white;
    text-decoration: none;    
}

.redes a:hover{
    color: yellow;
    
}