What am I doing wrong?

I am not werry good in this, but this script has worked before so is there anyone who can help me to fix this?
At my frontpage on https://fimmeinn.is, where “nyjustu faerslur” is suposed to be a logo from sponsers, firma logo, 20px hight as small picture that should appear in front of select catagory.

/* setja inn sponsor = Iceland Air */
p#sponsCat-c17-landslidh
p#sponsCat-a-landslid-karla
p#sponsCat-a-landslid-kvenna
p#sponsCat-yngri-landslid-islands{
background-image: url('https://www2.fimmeinn.is/wp-content/uploads/2015/11/Icelandair_NO_URL_vert_cmyk-e1447271821731.jpg');
background-repeat: no-repeat;
/* position:inherit; */
float: right;
width:27px;
height:20px;
}
/* End spons */

text-4 .widget-top {
display:none; }

/* FIX FEED */
.cat-box.recent-box .cat-box-content .item-list .post-meta {
display:none;}
.cat-box.recent-box .cat-box-content .item-list .post-thumbnail{
display:none;}
.cat-box.recent-box .cat-box-content .item-list .entry{
display:none;}
.cat-box.recent-box .cat-box-content .item-list .post-box-title {
font-size:12px !important;}
.cat-box.recent-box .cat-box-content .item-list .post-box-title a:hover {
color:#c00300 ;}
.cat-box.recent-box .cat-box-content .item-list {
padding: 6px 0;}

/* LAGF?RA TíMA */
.timer {
float:left;
color:#969696;
padding-right: 3px;
 }

You can see what I mean at https://fotbolti.net.