.sectionniveles{
    background: rgba(255,0,0,0);
    height: 100vh;
    width:90%;
    height: 100%;
    margin:auto;
    padding:5px;
}
.cuadroniv{
    background: rgba(255,0,0,0);border-radius: 12px;
    border:1px solid rgba(123,123,123,1);width:300px;
    height: 100%;margin: auto;
}
.cuadrotxtnivtit{
    text-align: center;
}
.cuadrotxtnivdes{
    padding: 5px;
    font-size: 20px;
    color:rgba(123,123,123,1);
    line-height: 23px;
}
a{
    text-decoration: none;
    text-align: center;
    color: rgba(0,0,0,1) !important;
}
.cuadrosflexnivel{
    align-items: center;display:flex;flex-wrap:wrap;justify-content:space-between;
}
@media (orientation:portrait){
    .cuadrosflexnivel{
        display: block;
    }
}