我有一个包含列表项的垂直导航栏:
<ul class="nav">
<li>
<div>
<i class="fa fa-tachometer"></i>
<a href="#" class="noselect">Dashboard</a>
</div>
</li>
<li>
<div class="act_item">
<i class="fa fa-users"></i>
<a class="noselect">Groups</a>
<span class="arrow_right"></span>
</div>
</li>
<li>
<div>
<i class="fa fa-archive"></i>
<a class="noselect">Projects</a>
<span class="arrow_right"></span>
</div>
</li>
<li>
<div>
<i class="fa fa-cogs"></i>
<a class="noselect">Settings</a>
</div>
</li>
</ul>
CSS:
.left .nav {
margin-top: 1em;
display: flex;
display: -webkit-flex;
flex-direction: column;
-webkit-flex-direction: column;
position: relative; }
.left .nav li {
position: relative;
cursor: pointer;
background: #1879C7;
display: flex;
display: -webkit-flex;
flex-direction: column;
-webkit-flex-direction: column;
align-items: flex-start;
box-sizing: border-box;
border-top: 2px solid #4D5A63; }
.left .nav li:last-child {
border-bottom: 2px solid #303E47; }
.left .nav li:hover > div {
margin-left: 0.5em; }
.left .nav li div {
position: relative;
-moz-transition: all linear 0.2s;
-o-transition: all linear 0.2s;
-webkit-transition: all linear 0.2s;
transition: all linear 0.2s;
display: flex;
display: -webkit-flex;
flex-direction: row;
-webkit-flex-direction: row;
height: 30px;
padding: 0.5em;
background: #243139; }
.left .nav li div i {
position: relative;
padding-top: 5px; }
.left .nav li div a {
position: inherit;
margin: auto 1em auto 0.5em;
font-size: 18px;
color: #F4F4F4; }
.left .nav li div .arrow_right {
margin: auto 0 auto auto; }
.left .nav li .act_item {
margin-left: 0.5em; }
我希望能够添加其他选项,让我们说群组,以便我.nav > li
为flex-direction: column
,但如果我尝试这样做div
inside不占用父级的全宽(li
)。
我试图让孩子div
拥有width:100%;
但它会溢出容器并且看不到箭头。
当列表为div
时,如何让孩子.nav > li
(在flex-direction:column;
内)填充父元素。
答案 0 :(得分:1)
我希望这是你所追求的。您可以将宽度设置为100%;
并使用box-sizing: border-box;
以便不突破内容。
而不是活动项目上的margin-left
,我给了它一个border-left: 10px solid #1879C7
,因为边距会打破box-sizing: border-box;
详细了解Mozilla Developer Network的box-sizing
媒体资源。请参阅下面的演示。
.left .nav {
margin-top: 1em;
display: flex;
display: -webkit-flex;
flex-direction: column;
-webkit-flex-direction: column;
position: relative;
}
.left .nav li {
position: relative;
cursor: pointer;
background: #1879C7;
display: flex;
display: -webkit-flex;
flex-direction: column;
-webkit-flex-direction: column;
align-items: flex-start;
box-sizing: border-box;
border-top: 2px solid #4D5A63;
}
.left .nav li:last-child {
border-bottom: 2px solid #303E47;
}
.left .nav li:hover > div {
margin-left: 0.5em;
}
.left .nav li div {
position: relative;
-moz-transition: all linear 0.2s;
-o-transition: all linear 0.2s;
-webkit-transition: all linear 0.2s;
transition: all linear 0.2s;
display: flex;
display: -webkit-flex;
flex-direction: row;
-webkit-flex-direction: row;
height: 30px;
padding: 0.5em;
background: #243139;
width: 100%;
box-sizing: border-box;
}
.left .nav li div i {
position: relative;
padding-top: 5px;
}
.left .nav li div a {
position: inherit;
margin: auto 1em auto 0.5em;
font-size: 18px;
color: #F4F4F4;
}
.left .nav li div .arrow_right {
margin: auto 0 auto auto;
}
.left .nav li .act_item {
border-left: 10px solid #1879C7;
}
&#13;
<div class="left">
<ul class="nav">
<li>
<div>
<i class="fa fa-tachometer"></i>
<a href="#" class="noselect">Dashboard</a>
</div>
</li>
<li>
<div class="act_item">
<i class="fa fa-users"></i>
<a class="noselect">Groups</a>
<span class="arrow_right"></span>
</div>
</li>
<li>
<div>
<i class="fa fa-archive"></i>
<a class="noselect">Projects</a>
<span class="arrow_right"></span>
</div>
</li>
<li>
<div>
<i class="fa fa-cogs"></i>
<a class="noselect">Settings</a>
</div>
</li>
</ul>
</div>
&#13;