Allora la versione precisa è la 2.5.1+ build 20130719
Premetto che il tema clean funziona ovunque e che il mio tema clonato funzionava sulla 2.5 e la 2.5+ (ho rifatto prove anche il locale).
Sostanzialmente ho clonato il tema Clean, ho aggiunto un'immagine nel logo e il seguente css personalizzato:
a.logo { height: 150px; margin-bottom: 40px; border-radius: 3px; background-image: url('http://www.abcelearning.it/pluginfile.php/1/theme_mytheme/logo/1371659715/ logoabc.png') no-repeat 0 0; background-position: center; border: solid 2px #ff9900; -moz-box-shadow: 0 0 5px #888; -webkit-box-shadow: 0 0 5px#888; box-shadow: 0 0 5px #888; } .breadcrumb { background: #ffffcc; background: -moz-linear-gradient(top, #ffffcc 0%, #ff9900 100%); background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffffcc), color-stop(100%,#ff9900)); background: -webkit-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: -o-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: -ms-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: linear-gradient(top, #ffffcc 0%,#ff9900 100%); filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffcc', endColorstr='#ff9900',GradientType=0 ); border: solid 2px #ff9900; -moz-box-shadow: 0 0 5px #888; -webkit-box-shadow: 0 0 5px#888; box-shadow: 0 0 5px #888; } .block { background: transparent; border: none; box-shadow: none } .block .header .title h2, .block h3.main { background: #ffffcc; /* Old browsers */ background: -moz-linear-gradient(top, #ffffcc 0%, #ff9900 100%); /* FF3.6+ */ background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffffcc), color-stop(100%,#ff9900)); /* Chrome,Safari4+ */ background: -webkit-linear-gradient(top, #ffffcc 0%,#ff9900 100%); /* Chrome10+,Safari5.1+ */ background: -o-linear-gradient(top, #ffffcc 0%,#ff9900 100%); /* Opera 11.10+ */ background: -ms-linear-gradient(top, #ffffcc 0%,#ff9900 100%); /* IE10+ */ background: linear-gradient(top, #ffffcc 0%,#ff9900 100%); /* W3C */ filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffcc', endColorstr='#ff9900',GradientType=0 ); /* IE6-9 */ border-radius: 3px; padding: 5px 15px; color: #000; text-shadow: none; border: solid 2px #ff9900; -moz-box-shadow: 0 0 5px #888; -webkit-box-shadow: 0 0 5px#888; box-shadow: 0 0 5px #888; } .course_category_tree .category > .info { background: #ffffcc; background: -moz-linear-gradient(top, #ffffcc 0%, #ff9900 100%); background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffffcc), color-stop(100%,#ff9900)); background: -webkit-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: -o-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: -ms-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: linear-gradient(top, #ffffcc 0%,#ff9900 100%); filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffcc', endColorstr='#ff9900',GradientType=0 ); border: solid 2px #ff9900; -moz-box-shadow: 0 0 5px #888; -webkit-box-shadow: 0 0 5px#888; box-shadow: 0 0 5px #888; } .courses .coursebox.collapsed { border: 2px solid #FF9900; -moz-box-shadow: 0 0 5px #888; -webkit-box-shadow: 0 0 5px#888; box-shadow: 0 0 5px #888; background: transparent; margin-bottom: 4px } .coursebox { border: solid 2px #ff9900; } ##.courses .coursebox.even { background: #ffffcc; background: -moz-linear-gradient(top, #ffffcc 0%, #ff9900 100%); background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffffcc), color-stop(100%,#ff9900)); background: -webkit-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: -o-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: -ms-linear-gradient(top, #ffffcc 0%,#ff9900 100%); background: linear-gradient(top, #ffffcc 0%,#ff9900 100%); filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffcc', endColorstr='#ff9900',GradientType=0 ); } .breadcrumb>li { text-shadow: none; } #page-footer { border-top: solid 2px #ff9900 } .course-content ul li.section.main { margin-top: 0; border-bottom: 2px solid #ff9900; } .course-content .section-summary { margin-top: 5px; list-style: none; border: 2px solid #ff9900; border-radius: 3px; -moz-box-shadow: 0 0 5px #888; -webkit-box-shadow: 0 0 5px#888; box-shadow: 0 0 5px #888; } .course-content .single-section .section-navigation .title { clear: both; font-size: 24.5px; line-height: 40px; color: #005580; margin-bottom: 30px; font-weight: bold; }
Mi sembra però strano che su Chrome funzioni tutto e sugli altri browser no. Evidentemente c'è qualcosa di sbagliato.