html {
    height: 100%;
}
body {
    background-image: url('home-bg.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    height: 100%;
    font-family: 'Montserrat', sans-serif;
    background-attachment: fixed;
}
#overlay {
    content: "";
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    background: rgb(0,0,0);
    background: linear-gradient(180deg, rgba(0,0,0,0.73) 0%, rgba(217,245,26,0.1) 100%); 
}
.home-logo img {
    margin: 30px auto;
    display: block;
    position: relative;
    max-width: 250px;
}
.row-central {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    position: absolute;
    width: 100%;
    left: 0;
    top: 50%;
    transform: translateY(-50%);

}
.bloque {
    width: 330px;
    background-color: rgba(255,255,255,1);
    text-align: center;
    padding: 20px 10px 100px 10px;
    margin: 0 20px;
    font-size: 25px;

}
.bloque b {
    font-size: 35px;
}
.bloque a {
    text-decoration: none;
color: #fff;
background: #db0914;
padding: 3px 25px;
border-radius: 20px;
font-weight: bold;
font-size: 22px;
letter-spacing: 1px;
}

.bloque img {
    height: 55px;
}
#cuba {
    background-image: url('textura-cuba.png');
    background-size: contain;
    background-position: center bottom;
    background-repeat: no-repeat;
}
#bsas {
    background-image: url('textura-ba.png');
    background-size: contain;
    background-position: center bottom;
    background-repeat: no-repeat;
}
@media (max-width: 780px) {
    .row-central {
        position: relative;
        transform: none;
        top: 0;
    }
    .bloque {
        
        margin: 20px;
        max-width: 100%;
        
    
    }
  
}