.tamano-logo{
    width: 20rem;
}

* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

body { font-family: sans-serif; }

.gallery {
    background: #EEE;
}

.gallery-cell {
    width: 28%;
    height: 200px;
    margin-right: 10px;
    background: #ffffff;
    counter-increment: gallery-cell;
    background-repeat: no-repeat !important;
    background-position: center !important;
    background-size: contain !important;
}

.gallery-cell.is-selected {
    background: #ffffff;
}

/* cell number */
.gallery-cell:before {
    display: block;
    text-align: center;
    line-height: 200px;
    font-size: 80px;
    color: white;
    background-size: contain !important;
}

.centrar{
    display: flex !important;
    justify-content: center;
    align-items: center;
}

.centrar-izq {
    display: flex !important;
    justify-content: flex-start;
    align-items: center;
}
.centrar-der {
    display: flex !important;
    justify-content: flex-end;
    align-items: center;
}
.tamano-portada{
    background-repeat:no-repeat !important;
    background-size: contain !important;
    background-position: center !important;
}