.avia-section.av-6i27d9-6039d1805f53b7fb0275a215c3b3ee7f{
background-repeat:no-repeat;
background-image:url(https://ti99.info/wp-content/uploads/2015/11/apstrakt1.jpg);
background-position:0% 0%;
background-attachment:scroll;
}

#top .avia-gallery.av-2cx4bx-7f84d6dc8583169a98af134dc0cb03ad .avia-gallery-thumb a{
width:20%;
}