body {
    width: auto;
    background-color: #000;
}

.principal {
    width: 90%;
    margin: auto;
    padding-top: 5%;
}

.entero {
    width: 100%;
    text-align: center;
    position: absolute;
    left: 0;
}

.entero img {
    max-width: 250px;
}

.principal .tercio {
    width: 33%;
    float: left;
    text-align: center;
    vertical-align: middle;
    position: relative;
    margin-top: 10%;
    justify-content: space-between;
}

.principal .tercio img {
    width: 200px;   
    margin-top: 15px;
}

.circulogrande img{
    width: 250px!important;
    animation-delay: 0.8s;
}
.circulitoimg {
    transition: 0.4s;
    animation: entrada .5s;
    animation-delay: 0.5s;
    transform-origin: center;
}
.circulitoimg:hover {
    filter: opacity(0.4);
    transition: 0.4s;
    cursor: pointer;
}

.nombreadgnc {max-width: 150px;}
.nombreadgfurtinure {max-width: 100px;}
.nombrebontempo {max-width: 160px;}

@keyframes entrada {
    from { transform: scale(0.0); }
    50% {transform: scale(0.7);}
    to { transform: scale(1.0); }
}

@media only screen and (max-width: 780px) {

.principal {width: 100%; padding-top: 50%;}

.principal .tercio img {
    width: 70%;
    margin-top: 25px;
}

.circulogrande img{
    width: 80%!important;
}

.entero img {
    max-width: 150px;
}


.nombreadgnc {max-width: 100px;}
.nombreadgfurtinure {max-width: 50px; padding-top: 13px;}
.nombrebontempo {max-width: 100px; padding-top: 17px;}
}