ホバーでサブメニューが消えています

Question

ホバーでサブメニューが表示されなくなりました。修正方法を教えてください。

#header { 
    padding-left: 0; 
    padding-right: 0; 
    position: relative; 
} 
.wp-toolbar #header{ 
    margin-top: 0; 
} 
#site-title, #site-description { 
    padding-left: 20px; 
} 

#theme-logo img { 
    box-shadow: none; 
} 

/* =Navigation 
*/ 
#top-navigation { 
    position: absolute; 
    bottom: -10px; 
    right: 0; 
} 


#theme-top-menu { 
    display:-moz-inline-stack; 
    display:inline-block; 
    zoom:1; 
    *display:inline; 
} 
#theme-top-menu .sub-menu { 
    left: auto; 
    right: 0px; 
} 
.menu .current_page_item a, .menu .current-menu-item a { 
    background-color: transparent; 
} 

#theme-top-menu a { 
    padding: 0 0.9em; 
    border: none; 
    font-weight: normal; 
    font-size: 80%; 
} 

#site-navigation{ 
    padding: 0; 
    position: relative; 
    max-width: 1140px; 
    border-top: 1px solid #666666; 
    -webkit-border-top-left-radius: 10px; 
    -webkit-border-top-right-radius: 10px; 
    -moz-border-radius-topleft: 10px; 
    -moz-border-radius-topright: 10px; 
    border-top-left-radius: 10px; 
    border-top-right-radius: 10px; 
} 
.fullwidth #site-navigation { 
    max-width: 100%; 
} 
#site-navigation .theme-wrap { 
    padding: 0 5px; 
    position: relative; 
    min-height: 50px; 

} 
#theme-menu-main { 
    margin: 0 auto; 
    background-color: transparent; 
} 
#theme-menu-main > li { 
    border: none; 
    border-right: 1px solid rgba(255, 255, 255, 0.2); 
    margin: 0; 
    padding: 10px 0; 
} 
#theme-menu-main > li a { 
    border: none; 
    font-weight: bold; 
} 
#theme-menu-main > li:hover { 
    background-color: transparent; 
} 
#theme-menu-main > li > ul { 
    top: 50%; 
    left: 0.9em; 
    padding: 10px 0; 
} 
#theme-menu-main > li ul > li a { 
    margin: 0 10px; 
    padding: 5px 10px; 
    border: none; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.2); 
    font-weight: 100; 
} 
#theme-menu-main > li ul > li:last-child a{ 
    border: none; 
} 
#theme-menu-main > li > a span{ 
    padding: 0 0 2px; 
    border-bottom: 3px solid transparent; 
} 

#theme-menu-main a { 
    background-color: transparent; 
    font-weight: 100; 
} 

.menu a:hover { background: none; } 

Answer 1

これを試してみてください：

ul li:hover ul { 
display:block; 
}