td.menu{background:#00ceff; vertical-align: top;}

.navigation li{display: inline-block;vertical-align: top; color: #00008B; text-align: left;}
.navigation li:hover .nav_text,.nav_text li {display: block; background-color: #FFFACD;}
.navigation a{color: #00008B;}
.navigation a:hover {color: #00008B;}
.navigation li:hover{background-color: deepskyblue;}
.navigation li:hover a{color: #000000;}

.nav_text{
  position: absolute; z-index: 10;
  display: none;
  margin-left:-0.5em; margin-top:0.5em;
}
.nav_text li{padding-left:0px; width: 100%;}
.nav_text a{padding-top:0.5em;padding-bottom:0.5em;padding-left:0.5em;}

.article_text{
  position: relative; z-index: 0;
}
.навигация_приложения{
  background-color: MediumSpringGreen;
}

.idea-web{
  background-color: #00ceff;
}