我正在使用一个菜单,它有一个 id 为“menu_unidades”的包装器。一旦 div 在鼠标悬停时展开,我希望此 div 调整其尺寸。
这是小提琴
我正在使用 superfish 修改的 css
CSS
/*** ESSENTIAL STYLES ***/
body {
font-family: Arial,Helvetica,sans-serif;
font-size: 11px;
}
#menu_unidades {
width: auto;
height: auto;
position: relative;
float: left;
padding: 10px 15px 10px 10px;
box-shadow: 0px 2px 2px rgb(102, 102, 102);
left: 50px;
margin-top: 10px;
margin-bottom: 20px;
background-color: rgba(0,53,146,0.7);
}
.sf-menu, .sf-menu * {
margin: 0;
padding: 0;
list-style: none;
}
.sf-menu li {
position: relative;
}
.sf-menu ul {
position: absolute;
display: none;
top: 100%;
left: 0;
z-index: 99;
}
.sf-menu > li {
float: left;
}
.sf-menu li:hover > ul,
.sf-menu li.sfHover > ul {
display: block;
}
.sf-menu a {
display: block;
position: relative;
}
.sf-menu ul ul {
top: 0;
left: 100%;
}
.sf-menu li ul {
padding: 10px 15px 10px 10px;
background-color: rgba(0,53,146,0.7);
}
.sf-menu li li {
padding-left:10px;
padding-right:10px;
padding-top:1px;
padding-bottom:1px;
}
.sf-menu li ul a{
padding:2px;
font-size: 12px;
text-transform:none;
}
/*** DEMO SKIN ***/
.sf-menu {
/*float: left;*/
margin-bottom: 1em;
}
.sf-menu ul {
box-shadow: 2px 2px 6px rgba(0,43,146,0.7);
min-width: 12em; /* allow long menu items to determine submenu width */
*width: 12em; /* no auto sub width for IE7, see white-space comment below */
}
.sf-menu li {
border-bottom:1px solid #fff;
white-space: nowrap; /* no need for Supersubs plugin */
*white-space: normal; /* ...unless you support IE7 (let it wrap) */
-webkit-transition: background .2s;
transition: background .2s;
}
.sf-menu ul li {
}
.sf-menu ul ul li {
}
.sf-menu li:hover,
.sf-menu li.sfHover {
background-color: rgba(0,53,146,0.7);
/* only transition out, not in */
-webkit-transition: none;
transition: none;
}
/*** arrows (for all except IE7) **/
.sf-arrows .sf-with-ul {
padding-right: 2.5em;
*padding-right: 1em; /* no CSS arrows for IE7 (lack pseudo-elements) */
}
/* styling for both css and generated arrows */
.sf-arrows .sf-with-ul:after {
content: '';
position: absolute;
top: 50%;
right: 1em;
margin-top: -3px;
height: 0;
width: 0;
/* order of following 3 rules important for fallbacks to work */
border: 5px solid transparent;
border-top-color: #dFeEFF; /* edit this to suit design (no rgba in IE8) */
border-top-color: rgba(255,255,255,.5);
}
.sf-arrows > li > .sf-with-ul:focus:after,
.sf-arrows > li:hover > .sf-with-ul:after,
.sf-arrows > .sfHover > .sf-with-ul:after {
border-top-color: white; /* IE8 fallback colour */
}
/* styling for right-facing arrows */
.sf-arrows ul .sf-with-ul:after {
margin-top: -5px;
margin-right: -3px;
border-color: transparent;
border-left-color: #dFeEFF; /* edit this to suit design (no rgba in IE8) */
border-left-color: rgba(255,255,255,.5);
}
.sf-arrows ul li > .sf-with-ul:focus:after,
.sf-arrows ul li:hover > .sf-with-ul:after,
.sf-arrows ul .sfHover > .sf-with-ul:after {
border-left-color: white;
}
HTML