.post_extra{
    margin-top: 50px;
    margin-bottom: 50px;
}
.extra_post{
    padding: 20px;
    background: #1a1a1a;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .2);
}
.extra_post h3 .assertion{
    display: block;
    font-size: 15px;
    font-weight: 200;
    text-transform: uppercase;
}
.extra_post #post_gallery{
    margin-left: 20px;
    margin-right: 20px;
    text-align: center;
}
.extra_post #post_gallery img{
    max-width: 100%;
    margin: auto;
}
.extra_post .allegato a{
    padding: 15px;
    text-align: center;
    font-size: 15px;
    display: block;
    margin-bottom: 2px;
    background: rgba(255, 255, 255, .1);
}
.extra_post .allegato a:hover{
    background: rgba(255, 255, 255, .2);
    color: #fff;
}