天津投入产出系统后端
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46 lines
666 B

//the arrow connecting "LI" to ".SUBMENU"
//-li > .arrow
.nav-list li {
> .arrow {
display: none;
position: absolute;
top: 8px;
right: 1px;
z-index: @zindex-submenu + 1;
&:before, &:after {
border: 1px solid transparent;
display: block;
height: 0;
width: 0;
position: absolute;
left: -20px;
top: 0;
right: auto;
bottom: auto;
content: "";
border-width: 10px;
}
&:before {
z-index: 1;//above .submenu
left: -21px;
}
&:after {
z-index: 2;//above .arrow:before
}
}
//don't display when there's no submenu
&:hover > a + .arrow {
display: none;
}
&.hover:hover > a.dropdown-toggle + .arrow {
display: block;
}
}