Může za to tento styl :

.menu-blok div, .menu-blok ul, .novinka-blok, .search-blok, .dokument-blok, .kategorie, .autori { 
background-attachment: scroll;
background-clip: border-box;
background-color: #fefecc;
background-image: url("http://suki.cz/-nanecisto/vzhled/styl-suki/img/table_paticka.gif");
background-origin: padding-box;
background-position: 0% 100%;
background-repeat: repeat-x;
background-size: auto;
margin-top: 11px;
padding-bottom: 6px;
padding-top: 6px;
}