[英]Modify CSS dropdown menu to add sub-menu option to it
祝大家有美好的一天!
我需要幫助來修改帶有下拉菜單的CSS導航菜單,以向其添加子菜單。
例如,我有菜單選項“您”->“計划”。 我需要在“計划”中添加一個子菜單,因此,當用戶將光標懸停在“計划”上時,會出現帶有其他選項的子菜單,就像他將鼠標懸停在“您”選項上一樣。
HTML:
<nav>
<ul>
<li><a href="#">View</a></li>
<li class="drop">
<a href="#">You</a>
<div class="dropdownContain">
<div class="dropOut">
<div class="triangle"></div>
<ul>
<li>Plan</li>
<li>Account Settings</li>
<li>Switch Account</li>
<li>Sign Out</li>
</ul>
</div>
</div>
</li>
<li><a href="#">Help</a></li>
</ul>
</nav>
CSS:
body {
text-align: center;
background: #e0e0e0;
padding-bottom: 200px;
}
a {
text-decoration: none;
}
/*---------- Wrapper --------------------*/
nav {
width: 100%;
height: 80px;
background: #222;
}
ul {
text-align: center;
}
ul li {
font: 13px Verdana, 'Lucida Grande';
cursor: pointer;
-webkit-transition: padding .05s linear;
-moz-transition: padding .05s linear;
-ms-transition: padding .05s linear;
-o-transition: padding .05s linear;
transition: padding .05s linear;
}
ul li.drop {
position: relative;
}
ul > li {
display: inline-block;
}
ul li a {
line-height: 80px;
padding: 0 20px;
height: 80px;
color: #777;
-webkit-transition: all .1s ease-out;
-moz-transition: all .1s ease-out;
-ms-transition: all .1s ease-out;
-o-transition: all .1s ease-out;
transition: all .1s ease-out;
}
ul li a:hover {
color: #eee;
}
.dropOut .triangle {
width: 0;
height: 0;
position: absolute;
border-left: 8px solid transparent;
border-right: 8px solid transparent;
border-bottom: 8px solid white;
top: -8px;
left: 50%;
margin-left: -8px;
}
.dropdownContain {
width: 160px;
position: absolute;
z-index: 2;
left: 50%;
margin-left: -80px; /* half of width */
top: -400px;
}
.dropOut {
width: 160px;
background: white;
float: left;
position: relative;
margin-top: 0px;
opacity: 0;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
-webkit-box-shadow: 0 1px 6px rgba(0,0,0,.15);
-moz-box-shadow: 0 1px 6px rgba(0,0,0,.15);
box-shadow: 0 1px 6px rgba(0,0,0,.15);
-webkit-transition: all .1s ease-out;
-moz-transition: all .1s ease-out;
-ms-transition: all .1s ease-out;
-o-transition: all .1s ease-out;
transition: all .1s ease-out;
}
.dropOut ul {
float: left;
padding: 10px 0;
}
.dropOut ul li {
text-align: left;
float: left;
width: 125px;
padding: 12px 0 10px 15px;
margin: 0px 10px;
color: #777;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
-webkit-transition: background .1s ease-out;
-moz-transition: background .1s ease-out;
-ms-transition: background .1s ease-out;
-o-transition: background .1s ease-out;
transition: background .1s ease-out;
}
.dropOut ul li:hover {
background: #f6f6f6;
}
ul li:hover a { color: white; }
ul li:hover .dropdownContain { top: 65px; }
ul li:hover .underline { border-bottom-color: #777; }
ul li:hover .dropOut { opacity: 1; margin-top: 8px; }
任何幫助,將不勝感激!
您只需要為設置為position:absolute
subnav添加另一個ul
並display: none
,然后將鼠標懸停在.dropOut ul li
上.dropOut ul li
顯示它
.subnav{
display:none;
background: black;
position: absolute;
left: 100%;
top: 0;
}
.dropOut ul li:hover .subnav{
display: block;
}
只需確保將.dropOut ul li
設置為position: relative
,這樣它將包含您的子導航:
.dropOut ul li {
position: relative; //add
text-align: left;
float: left;
width: 125px;
....
HTML
<div class="dropdownContain">
<div class="dropOut">
<div class="triangle"></div>
<ul>
<li>Plan
<ul class="subnav">
<li>menu 1</li>
<li>menu 1</li>
<li>menu 1</li>
</ul>
</li>
<li>Account Settings</li>
<li>Switch Account</li>
<li>Sign Out</li>
</ul>
</div>
</div>
你不應該使用opacity
要做到這一點使用display
,而不是我這個沒有使用opacity
,但留下一定的空間,使用display
屬性來避免這種http://jsfiddle.net/k2rjkdxy/這一個帶有display
http://jsfiddle.net / k2rjkdxy / 1 /
body { text-align: center; background: #e0e0e0; padding-bottom: 200px; } a { text-decoration: none; } /*---------- Wrapper --------------------*/ nav { width: 100%; height: 80px; background: #222; } ul { text-align: center; } ul li { font: 13px Verdana, 'Lucida Grande'; cursor: pointer; -webkit-transition: padding .05s linear; -moz-transition: padding .05s linear; -ms-transition: padding .05s linear; -o-transition: padding .05s linear; transition: padding .05s linear; } ul li.drop { position: relative; } ul > li { display: inline-block; } ul li a { line-height: 80px; padding: 0 20px; height: 80px; color: #777; -webkit-transition: all .1s ease-out; -moz-transition: all .1s ease-out; -ms-transition: all .1s ease-out; -o-transition: all .1s ease-out; transition: all .1s ease-out; } ul li a:hover { color: #eee; } .dropOut .triangle { width: 0; height: 0; position: absolute; border-left: 8px solid transparent; border-right: 8px solid transparent; border-bottom: 8px solid white; top: -8px; left: 50%; margin-left: -8px; } .dropdownContain { width: 160px; position: absolute; z-index: 2; left: 50%; margin-left: -80px; /* half of width */ top: -400px; } .dropOut { width: 160px; background: white; float: left; position: relative; margin-top: 0px; opacity: 0; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: 0 1px 6px rgba(0,0,0,.15); -moz-box-shadow: 0 1px 6px rgba(0,0,0,.15); box-shadow: 0 1px 6px rgba(0,0,0,.15); -webkit-transition: all .1s ease-out; -moz-transition: all .1s ease-out; -ms-transition: all .1s ease-out; -o-transition: all .1s ease-out; transition: all .1s ease-out; } .dropOut ul { float: left; padding: 10px 0; } .dropOut ul li { text-align: left; float: left; width: 125px; padding: 12px 0 10px 15px; margin: 0px 10px; color: #777; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-transition: background .1s ease-out; -moz-transition: background .1s ease-out; -ms-transition: background .1s ease-out; -o-transition: background .1s ease-out; transition: background .1s ease-out; } .dropOut ul li:hover { background: #f6f6f6; } ul li:hover a { color: white; } ul li:hover .dropdownContain { top: 65px; } ul li:hover .underline { border-bottom-color: #777; } ul li:hover .dropOut { opacity: 1; margin-top: 8px; } .d{ opacity:0; } ul li ul li:hover .d{ opacity:1; }
<nav> <ul> <li><a href="#">View</a></li> <li class="drop"> <a href="#">You</a> <div class="dropdownContain"> <div class="dropOut"> <div class="triangle"></div> <ul> <li>Plan <ul class="d"><li>text</li> <li>text</li> <li>text</li> </ul></li> <li>Account Settings</li> <li>Switch Account</li> <li>Sign Out</li> </ul> </div> </div> </li> <li><a href="#">Help</a></li> </
這個具有display
屬性
body { text-align: center; background: #e0e0e0; padding-bottom: 200px; } a { text-decoration: none; } /*---------- Wrapper --------------------*/ nav { width: 100%; height: 80px; background: #222; } ul { text-align: center; } ul li { font: 13px Verdana, 'Lucida Grande'; cursor: pointer; -webkit-transition: padding .05s linear; -moz-transition: padding .05s linear; -ms-transition: padding .05s linear; -o-transition: padding .05s linear; transition: padding .05s linear; } ul li.drop { position: relative; } ul > li { display: inline-block; } ul li a { line-height: 80px; padding: 0 20px; height: 80px; color: #777; -webkit-transition: all .1s ease-out; -moz-transition: all .1s ease-out; -ms-transition: all .1s ease-out; -o-transition: all .1s ease-out; transition: all .1s ease-out; } ul li a:hover { color: #eee; } .dropOut .triangle { width: 0; height: 0; position: absolute; border-left: 8px solid transparent; border-right: 8px solid transparent; border-bottom: 8px solid white; top: -8px; left: 50%; margin-left: -8px; } .dropdownContain { width: 160px; position: absolute; z-index: 2; left: 50%; margin-left: -80px; /* half of width */ top: -400px; } .dropOut { width: 160px; background: white; float: left; position: relative; margin-top: 0px; display:none; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: 0 1px 6px rgba(0,0,0,.15); -moz-box-shadow: 0 1px 6px rgba(0,0,0,.15); box-shadow: 0 1px 6px rgba(0,0,0,.15); -webkit-transition: all .1s ease-out; -moz-transition: all .1s ease-out; -ms-transition: all .1s ease-out; -o-transition: all .1s ease-out; transition: all .1s ease-out; } .dropOut ul { float: left; padding: 10px 0; } .dropOut ul li { text-align: left; float: left; width: 125px; padding: 12px 0 10px 15px; margin: 0px 10px; color: #777; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-transition: background .1s ease-out; -moz-transition: background .1s ease-out; -ms-transition: background .1s ease-out; -o-transition: background .1s ease-out; transition: background .1s ease-out; } .dropOut ul li:hover { background: #f6f6f6; } ul li:hover a { color: white; } ul li:hover .dropdownContain { top: 65px; } ul li:hover .underline { border-bottom-color: #777; } ul li:hover .dropOut { display:block; margin-top: 8px; } .d{ display:none; } ul li ul li:hover .d{ background:skyblue; position:absolute; display:block; }
<nav> <ul> <li><a href="#">View</a></li> <li class="drop"> <a href="#">You</a> <div class="dropdownContain"> <div class="dropOut"> <div class="triangle"></div> <ul> <li>Plan <ul class="d"><li>text</li> <li>text</li> <li>text</li> </ul></li> <li>Account Settings</li> <li>Switch Account</li> <li>Sign Out</li> </ul> </div> </div> </li> <li><a href="#">Help</a></li> </
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