html - 如何在列表中的 Font Awesome 图标后放置换行符？

Question

我正在尝试创建一个类似 LinkedIn 的菜单，其中的按钮由文本顶部的图标组成，但我找不到在 FontAwesome 图标后以 CSS 形式插入换行符的方法。对于其余部分，我的脚本看起来很符合我的喜好。

尽管有display:block在 #sidebar nav ul li由于某种原因，它没有提供想要的结果，最近我也尝试输入 <br>作为content在图标之后。

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
     margin: 0;
     padding: 0;
     border: 0;
     font-size: 100%;
     font: inherit;
     vertical-align: baseline;
}
 html {
     box-sizing: border-box;
}
 *, *:before, *:after {
     box-sizing: inherit;
}
 body, input, select, textarea {
     color: rgba(0, 0, 0, 0.55);
     font-family: Arial, Helvetica, sans-serif;
     font-size: 16.5pt;
     font-weight: normal;
     line-height: 1.5;
}
 .icon {
     text-decoration: none;
     border-bottom: none;
     margin-right: 5px;
     position: relative;
     color: rgba(0, 0, 0, 0.55);
}
 .icon:before {
     font-size: 1.75em;
     font-style: normal;
     text-transform: none !important;
}
 ul.icons {
     cursor: default;
     list-style: none;
     padding-left: 0;
}
 ul.icons li {
     display: inline-block;
     padding: 0 0.75em 0 0;
}
 ul.icons li:last-child {
     padding-right: 0;
}
 ul.icons li > a, ul.icons li > span {
     border: 0;
     text-decoration: none;
}
 ul.icons li > a:before, ul.icons li > span:before {
     font-family: FontAwesome;
     font-style: normal;
     font-weight: normal;
     text-transform: none !important;
}
 ul.icons li > a .label, ul.icons li > span .label {
     display: none;
}
 ul.menu {
     list-style: none;
     padding: 0;
}
 ul.menu > li {
     border-left: solid 1px rgba(0, 0, 0, 0.5);
     display: inline-block;
     line-height: 1;
     margin-left: 1.5em;
     padding: 0 0 0 1.5em;
}
 ul.menu > li:first-child {
     border-left: 0;
     margin: 0;
     padding-left: 0;
}
 @media screen and (max-width: 480px) {
     ul.menu > li {
         border-left: 0;
         display: block;
         line-height: inherit;
         margin: 0.5em 0 0 0;
         padding-left: 0;
    }
}
 #sidebar {
     padding: 2.5em 2.5em 0.5em 2.5em ;
     background: #ffffff;
     border-right: 1px solid black;
     cursor: default;
     height: 100vh;
     left: 0;
     overflow-x: hidden;
     overflow-y: auto;
     position: fixed;
     text-align: right;
     top: 0;
     width: 18em;
     z-index: 10000;
}
 #sidebar > .inner {
     display: flex;
     flex-direction: column;
     justify-content: center;
     min-height: 100%;
     opacity: 1;
     width: 100%;
}
 body.is-ie #sidebar > .inner {
     height: 100%;
}
 #sidebar nav > ul {
     list-style: none;
     padding: 0;
     white-space: pre: 
}
 #sidebar nav > ul > li {
     margin: 1.5em 0 0 0;
     opacity: 1;
     padding: 0;
     position: relative;
}
 #sidebar nav a {
     border: 0;
     color: rgba(0, 0, 0, 0.35);
     display: block;
     font-size: 0.6em;
     font-weight: bold;
     letter-spacing: 0.25em;
     line-height: 1.75;
     outline: 0;
     padding: 1.35em 0;
     position: relative;
     text-decoration: none;
     text-transform: uppercase;
}
 #sidebar nav a:before, #sidebar nav a:after {
     border-radius: 0.2em;
     bottom: 0;
     content: '';
     height: 0.3em;
     position: absolute;
     right: 0;
     width: 100%;
}
 #sidebar nav a:before {
     background: rgb(0, 0, 0, 0.5);
}
 #sidebar nav a:after {
     background-image: -moz-linear-gradient(to right, #003085, #029bde);
     background-image: -webkit-linear-gradient(to right, #003085, #029bde);
     background-image: -ms-linear-gradient(to right, #003085, #029bde);
     background-image: linear-gradient(to right, #003085, #029bde);
     max-width: 0;
}
 #sidebar nav a:hover {
     color: rgba(0, 0, 0, 0.55);
}
 #sidebar nav a.active {
     color: #4267b2;
}
 #sidebar nav a.active:after {
     max-width: 100%;
}
 #sidebar nav a.active span {
     color: #4267b2;
}
 @media screen and (max-width: 1280px) {
     #sidebar {
         border-right: 0px;
         border-bottom: 1px solid black;
         height: 3.5em;
         left: 0;
         line-height: 3.5em;
         overflow: hidden;
         padding: 0;
         text-align: center;
         top: 0;
         width: 100%;
    }
     #sidebar > .inner {
         flex-direction: row;
         align-items: stretch;
         height: inherit;
         line-height: inherit;
    }
     #sidebar nav {
         height: inherit;
         line-height: inherit;
    }
     #sidebar nav ul {
         display: -moz-flex;
         display: -webkit-flex;
         display: -ms-flex;
         display: flex;
         height: inherit;
         line-height: inherit;
         margin: 0;
    }
     #sidebar nav ul li {
         display: block;
         height: inherit;
         line-height: inherit;
         margin: 0 0 0 2em;
         padding: 0;
    }
     #sidebar nav a {
         height: inherit;
         line-height: 2em;
    }
     #sidebar nav a:after {
         background-image: none;
         background-color: #4267b2;
    }
     #sidebar nav span:after {
         content: "</br>";
    }
}

<!DOCTYPE HTML>
<html>
	<head>
		<title>LinkedIn like menu</title>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
		<link rel="stylesheet" href="assets/css/main2.css" />
		<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.6.1/css/all.css" />
	</head>
	<body>

		<section id="sidebar">
			<div class="inner">
				<nav>
					<ul>
						<li><a href="#home"><span class="icon fas fa-user"></span>Home</a></li>
						<li><a href="#about"><span class="icon fas fa-search"></span>About</a></li>
						<li><a href="#contact"><span class="icon fas fa-phone"></span>Contact</a></li>
					</ul>
				</nav>
			</div>
		</section>

		<script src="assets/js/main.js"></script>		
	</body>
</html>

Answer 1

这应该是你想要实现的。

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

html {
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body,
input,
select,
textarea {
  color: rgba(0, 0, 0, 0.55);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16.5pt;
  font-weight: normal;
  line-height: 1.5;
}

.icon {
  text-decoration: none;
  border-bottom: none;
  margin-right: 5px;
  position: relative;
  color: rgba(0, 0, 0, 0.55);
}

.icon:before {
  font-size: 1.75em;
  font-style: normal;
  text-transform: none !important;
}

ul.icons {
  cursor: default;
  list-style: none;
  padding-left: 0;
}

ul.icons li {
  display: inline-block;
  padding: 0 0.75em 0 0;
}

ul.icons li:last-child {
  padding-right: 0;
}

ul.icons li>a,
ul.icons li>span {
  border: 0;
  text-decoration: none;
}

ul.icons li>a:before,
ul.icons li>span:before {
  font-family: FontAwesome;
  font-style: normal;
  font-weight: normal;
  text-transform: none !important;
}

ul.icons li>a .label,
ul.icons li>span .label {
  display: none;
}

ul.menu {
  list-style: none;
  padding: 0;
}

ul.menu>li {
  border-left: solid 1px rgba(0, 0, 0, 0.5);
  display: inline-block;
  line-height: 1;
  margin-left: 1.5em;
  padding: 0 0 0 1.5em;
}

ul.menu>li:first-child {
  border-left: 0;
  margin: 0;
  padding-left: 0;
}

@media screen and (max-width: 480px) {
  ul.menu>li {
    border-left: 0;
    display: block;
    line-height: inherit;
    margin: 0.5em 0 0 0;
    padding-left: 0;
  }
}

#sidebar {
  padding: 2.5em 2.5em 0.5em 2.5em;
  background: #ffffff;
  border-right: 1px solid black;
  cursor: default;
  height: 100vh;
  left: 0;
  overflow-x: hidden;
  overflow-y: auto;
  position: fixed;
  text-align: right;
  top: 0;
  width: 18em;
  z-index: 10000;
}

#sidebar>.inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  opacity: 1;
  width: 100%;
}

body.is-ie #sidebar>.inner {
  height: 100%;
}

#sidebar nav>ul {
  list-style: none;
  padding: 0;
  white-space: pre:
}

#sidebar nav>ul>li {
  margin: 1.5em 0 0 0;
  opacity: 1;
  padding: 0;
  position: relative;
}

#sidebar nav a {
  border: 0;
  color: rgba(0, 0, 0, 0.35);
  display: block;
  font-size: 0.6em;
  font-weight: bold;
  letter-spacing: 0.25em;
  line-height: 1.75;
  outline: 0;
  padding: 1.35em 0;
  position: relative;
  text-decoration: none;
  text-transform: uppercase;
}

#sidebar nav a:before,
#sidebar nav a:after {
  border-radius: 0.2em;
  bottom: 0;
  content: '';
  height: 0.3em;
  position: absolute;
  right: 0;
  width: 100%;
}

#sidebar nav a:before {
  background: rgb(0, 0, 0, 0.5);
}

#sidebar nav a:after {
  background-image: -moz-linear-gradient(to right, #003085, #029bde);
  background-image: -webkit-linear-gradient(to right, #003085, #029bde);
  background-image: -ms-linear-gradient(to right, #003085, #029bde);
  background-image: linear-gradient(to right, #003085, #029bde);
  max-width: 0;
}

#sidebar nav a:hover {
  color: rgba(0, 0, 0, 0.55);
}

#sidebar nav a.active {
  color: #4267b2;
}

#sidebar nav a.active:after {
  max-width: 100%;
}

#sidebar nav a.active span {
  color: #4267b2;
}

span.icon {
  display: block;
}

@media screen and (max-width: 1280px) {
  #sidebar {
    border-right: 0px;
    border-bottom: 1px solid black;
    height: 3.5em;
    left: 0;
    line-height: 3.5em;
    overflow: hidden;
    padding: 0;
    text-align: center;
    top: 0;
    width: 100%;
  }
  #sidebar>.inner {
    flex-direction: row;
    align-items: stretch;
    height: inherit;
    line-height: inherit;
  }
  #sidebar nav {
    height: inherit;
    line-height: inherit;
  }
  #sidebar nav ul {
    display: -moz-flex;
    display: -webkit-flex;
    display: -ms-flex;
    display: flex;
    height: inherit;
    line-height: inherit;
    margin: 0;
  }
  #sidebar nav ul li {
    display: block;
    height: inherit;
    line-height: inherit;
    margin: 0 0 0 2em;
    padding: 0;
  }
  #sidebar nav a {
    height: inherit;
    line-height: 2em;
  }
  #sidebar nav a:after {
    background-image: none;
    background-color: #4267b2;
  }
}

<!DOCTYPE HTML>
<html>

<head>
  <title>LinkedIn like menu</title>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
  <link rel="stylesheet" href="assets/css/main2.css" />
  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.6.1/css/all.css" />
</head>

<body>

  <section id="sidebar">
    <div class="inner">
      <nav>
        <ul>
          <li><a href="#home"><span class="icon fas fa-user"></span>Home</a></li>
          <li><a href="#about"><span class="icon fas fa-search"></span>About</a></li>
          <li><a href="#contact"><span class="icon fas fa-phone"></span>Contact</a></li>
        </ul>
      </nav>
    </div>
  </section>

  <script src="assets/js/main.js"></script>
</body>

</html>