body{
    background-image: url(../img/tapas.jpg);
    background-repeat: no-repeat;
}
.btn-whatsapp {
    display:block;
    width:70px;
    height:70px;
    color#fff;
    position: fixed;
    right:20px;
    bottom:20px;
    border-radius:50%;
    line-height:80px;
    text-align:center;
    z-index:999;
}
.historia{
    margin-top: 100px;
}
.vision{
    margin-bottom: 60px;
}
.fondo{
    color: #ffffff;
    background-color: rgba(0, 0, 0, 0.21);
}
@media (max-width:1024px){
                   body{
        background-image: url(../img/450.jpg);
        background-size:auto;
    }
    .fondo{
    background-color: rgba(0, 0, 0, 0.1);
}
}
@media (max-width:992px){
               body{
        background-image: url(../img/450.jpg);
        background-size: cover;
    }
    .fondo{
    background-color: rgba(0, 0, 0, 0.1);
}
    
}
@media (max-width:768px){
           body{
        background-image: url(../img/450.jpg);
        background-size: cover;
    }
    .fondo{
    background-color: rgba(0, 0, 0, 0.1);
}
}
@media (max-width:600px){
        body{
        background-image: url(../img/450.jpg);
        background-size: cover;
    }
    .fondo{
    background-color: rgba(0, 0, 0, 0.1);
}
}
@media (max-width:450px){
    body{
        background-image: url(../img/450.jpg);
        background-size: cover;
    }
    .fondo{
    background-color: rgba(0, 0, 0, 0.1);
}
}