效果：
下面是代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
/* do some initialize start */
* {
box-sizing: border-box;
}
html {
font-size: 12px;
}
body {
margin: 0;
}
/* do some initialize end*/
.main-nav {
background: #eee;
}
.main-nav-list {
/* do some initialize start */
margin: 0;
padding: 0;
/* do some initialize end */
/* change to flex model */
display: flex;
/* wrap elements */
flex-wrap: wrap;
/* define elements aligent the center of main axis */
justify-content: center;
/* clear default style */
list-style: none;
}
.main-nav-list a {
/* recommend rem unit because it flexible */
padding: 1.25rem 0.5rem;
font-size: 1.6rem;
max-width: 327px;
font-weight: bold;
text-decoration: none;
display: flex;
/* define items align on croos axis */
align-items: flex-start;
color: #333;
}
.main-nav-list a:hover,
.main-nav-list a:focus {
background: #ccc;
color: black;
}
.main-nav-list a:hover svg,
.main-nav-list a:focus svg {
fill: green;
}
.main-nav-list a:hover span,
.main-nav-list a:focus span {
color: black;
}
.main-nav-list span {
display: block;
font-size: 1rem;
font-weight: normal;
color: #888;
margin: 0.25rem 0 0 0;
}
.main-nav-list .icon {
width: 40px;
height: 40px;
float: left;
margin-right: 1rem;
}
@media (min-width: 1000px) {
/* 当页面大于1000px时，不换行 */
.main-nav-list {
flex-wrap: nowrap;
}
/* 使用媒体查询,当页面大于1000px时，就将每项宽度调大，但只能最大400px; */
.main-nav a {
max-width: 400px;
font-size: 2rem;
}
.icon {
width: 25px;
height: 25px;
}
}
/*
max-width 和 min-width ，可以这么来读。
max-width 最大宽度只有这么大就。。。样，
min-width 超过最小宽度时就。。。样
*/
</style>
</head>
<body>
<nav class="main-nav">
<ul class="main-nav-list">
<li>
<a href="#">
<svg t="1586171838612" class="icon" viewBox="0 0 1024 1024" version="1.1"
xmlns="http://www.w3.org/2000/svg" p-id="1009" width="32" height="32">
<path
d="M133 909.5c0-24.6 169.7-44.5 379-44.5s379 19.9 379 44.5S721.3 954 512 954s-379-19.9-379-44.5z"
fill="#EDEDEE" p-id="1010"></path>
<path
d="M443.9 258c-1.3-12.2-12.2-45-3.6-70.8s39.5-73.3 54.9-83.8c15.4-10.5 40.9 5.7 37.6 21s-46.3 48.5-57.8 70.8-6.4 52-10.8 62.9c-4.5 10.8-12.4 2.2-15.9 2.2s-3.1 9.8-4.4-2.3z"
fill="#976C4F" p-id="1011"></path>
<path
d="M152 518c0-151.3 135.4-274 302.5-274S757 366.7 757 518 621.6 792 454.5 792 152 669.3 152 518z"
fill="#FB6568" p-id="1012"></path>
<path d="M287 567h606l-1.4 25.3C876.1 730.3 747 838 590 838S303.9 730.3 288.4 592.3L287 567z"
fill="#F9272C" p-id="1013"></path>
<path
d="M451.2 246l29.8 1.4-10 0.5c-152.9 14-272.2 130.5-272.2 272.1 0 141.5 119.3 258 272.2 272l1.2 0.1-21 1C283.7 793 148 670.5 148 519.5S283.7 246 451.2 246z"
fill="#F9272C" p-id="1014"></path>
<path d="M348 567h484l-1.1 20.3C818.5 697.8 715.4 784 590 784s-228.5-86.2-240.9-196.7L348 567z"
fill="#FB6568" p-id="1015"></path>
<path
d="M504.7 618.8l-1-48 170.3-3.4 1 48c0.9 47-36.4 85.9-83.5 86.9-47 0.9-85.9-36.5-86.8-83.5z"
fill="#FC9A9C" p-id="1016"></path>
<path
d="M791.9 618.4c-2 5.6-8.2 8.5-13.9 6.5l-15.2-5.5c-5.6-2-8.5-8.2-6.5-13.8 2-5.6 8.2-8.5 13.8-6.5l15.2 5.5c5.8 2 8.7 8.2 6.6 13.8zM754.6 683c-3.8 4.6-10.7 5.2-15.2 1.3L727 673.9c-4.6-3.8-5.2-10.7-1.3-15.2 3.8-4.6 10.7-5.2 15.2-1.3l12.4 10.4c4.6 3.8 5.2 10.6 1.3 15.2zM697.5 730.9c-5.2 3-11.8 1.2-14.8-4l-8.1-14c-3-5.2-1.2-11.8 4-14.8s11.8-1.2 14.8 4l8.1 14c2.9 5.2 1.2 11.8-4 14.8zM627.4 756.4c-5.9 1-11.5-2.9-12.5-8.8l-2.8-16c-1-5.9 2.9-11.5 8.8-12.5s11.5 2.9 12.5 8.8l2.8 16c1 5.9-2.9 11.5-8.8 12.5zM552.8 756.4c-5.9-1-9.8-6.6-8.8-12.5l2.8-16c1-5.9 6.6-9.8 12.5-8.8s9.8 6.6 8.8 12.5l-2.8 16c-1 6-6.6 9.9-12.5 8.8zM482.7 730.9c-5.2-3-6.9-9.6-4-14.8l8.1-14c3-5.2 9.6-6.9 14.8-4s6.9 9.6 4 14.8l-8.1 14c-3 5.2-9.6 7-14.8 4zM425.6 683c-3.8-4.6-3.2-11.4 1.3-15.2l12.4-10.4c4.6-3.8 11.4-3.2 15.2 1.3 3.8 4.6 3.2 11.4-1.3 15.2l-12.4 10.4c-4.6 3.8-11.4 3.3-15.2-1.3zM388.3 618.4c-2-5.6 0.9-11.8 6.5-13.8l15.2-5.5c5.6-2 11.8 0.8 13.8 6.5 2 5.6-0.9 11.8-6.5 13.8l-15.2 5.5c-5.6 2-11.8-0.9-13.8-6.5z"
fill="#FED572" p-id="1017"></path>
<path
d="M452.2 237l2.3 0.1 2.3-0.1v0.3l23.9 1.4c28.7 2.2 58.1 6.4 90.4 18.7 43.1 16.4 128.8 63.4 139.4 78 10.6 14.6-42.9 8.2-75.7 9.6-20.5 0.9-50.5 3.2-77.7 3l-13.1-0.4-75.5-87.3-71.9 83.2-1.1 0.4c-31.7 7.8-88.5 2.6-121.4 1.2s-86.3 5-75.7-9.6c10.6-14.6 96.4-61.6 139.4-78 32.3-12.3 61.7-16.5 90.4-18.7l23.9-1.4 0.1-0.4z"
fill="#7CD0A4" p-id="1018"></path>
<path
d="M453.6 238c-45.2 23.4-66.5 29-109.5 59.6s-55.6 68.1-55.1 81.1 33.2 6.8 58.2-3.1 67.3-27.3 91.8-56.2c24.5-28.9 14.6-54.5 19-81.4"
fill="#4DBF83" p-id="1019"></path>
<path
d="M458.4 238c45.2 23.4 66.5 28.9 109.5 59.6 43 30.6 55.6 68.1 55.1 81.1s-33.2 6.8-58.2-3.1-67.3-27.3-91.8-56.2c-24.5-28.9-14.6-54.5-19-81.4"
fill="#4DBF83" p-id="1020"></path>
</svg>
<div>
首页
<span>Lorem ipsum dolor sit amet consectetur adipisicing elit. Architecto quisquam quis nihil
quia. Aliquam nesciunt iure pariatur sed amet adipisci?</span>
</div>
</a>
</li>
<li>
<a href="#">
<svg t="1586171870570" class="icon" viewBox="0 0 1024 1024" version="1.1"
xmlns="http://www.w3.org/2000/svg" p-id="1218" width="32" height="32">
<path
d="M133 909.5c0-24.6 169.7-44.5 379-44.5s379 19.9 379 44.5S721.3 954 512 954s-379-19.9-379-44.5z"
fill="#EDEDEE" p-id="1219"></path>
<path
d="M405 466c-62 32.3-91.2 39.9-150.3 82.1-59.1 42.2-76.3 93.8-75.6 111.8 0.7 17.9 45.5 9.3 79.8-4.3 34.3-13.6 92.4-37.6 126-77.4S404.8 503 411 466"
fill="#4DBF83" p-id="1220"></path>
<path
d="M412 466c61.7 32.3 90.8 39.9 149.7 82.1 58.8 42.2 76 93.8 75.3 111.8-0.7 17.9-45.3 9.3-79.5-4.3-34.2-13.6-92-37.6-125.5-77.4-33.4-39.8-19.9-75.2-26-112.1"
fill="#4DBF83" p-id="1221"></path>
<path
d="M236 454.5c0-66 75.9-119.5 169.5-119.5S575 388.5 575 454.5 499.1 574 405.5 574 236 520.5 236 454.5z"
fill="#FDCBCC" p-id="1222"></path>
<path
d="M132.7 546.9c-27-42.9-5.1-105.2 48.8-139 53.9-33.9 119.4-26.5 146.4 16.4s5.1 105.2-48.8 139-119.5 26.5-146.4-16.4z"
fill="#FCB2B4" p-id="1223"></path>
<path
d="M233.6 231.1c42.4-27.8 105-7.2 139.9 46S402.4 396 360 423.8c-42.4 27.8-105 7.2-139.9-46-35-53.2-28.9-118.9 13.5-146.7z"
fill="#FCB2B4" p-id="1224"></path>
<path
d="M140.5 245.5c49.4 0 91.9 28.5 110 69.1l0.8 2.1 8 2.8c32.1 12.9 57.1 38.7 67.5 70.6l1.1 4.7v0.1c-3.6 8.6-8.7 16.5-15.4 23.2-35.9 35.7-104.1 25.4-152.3-23-45.2-45.4-56.7-108.3-28.4-145.4l3.5-4 5.2-0.2z"
fill="#FC888B" p-id="1225"></path>
<path
d="M665.5 539.5c27-42.9 5.1-105.2-48.8-139-53.9-33.9-119.4-26.5-146.4 16.4s-5.1 105.2 48.8 139c53.9 33.9 119.5 26.6 146.4-16.4z"
fill="#FCB2B4" p-id="1226"></path>
<path
d="M564.6 223.8c-42.4-27.8-105-7.2-139.9 46-34.9 53.2-28.8 118.9 13.6 146.7 42.4 27.8 105 7.2 139.9-46 34.8-53.3 28.8-119-13.6-146.7z"
fill="#FCB2B4" p-id="1227"></path>
<path
d="M657.7 238.2c-49.4 0-91.9 28.5-110 69.1l-0.8 2.1-8 2.8c-32.1 12.9-57.1 38.7-67.5 70.6l-1.1 4.7v0.1c3.6 8.6 8.7 16.5 15.4 23.2 35.9 35.7 104.1 25.4 152.3-23 45.2-45.4 56.7-108.3 28.4-145.4l-3.5-4-5.2-0.2z"
fill="#FC888B" p-id="1228"></path>
<path
d="M403.3 196.1c10.4 0 19.6 17.1 25.1 43.1l0.2 1.5 3.1-3.6c12.2-12.7 24.4-18.7 33.5-15 18.3 7.5 17.8 51.1-1.2 97.5-14.2 34.7-34.8 61.1-51.9 69l-2.3 0.7-0.4 0.4c-2 1.3-4 2-6.1 2l-4.3-1.4-2.5-0.4c-2.3-0.9-4.3-2.4-6-4.4l-0.2-0.3-5-3.1c-15-11.5-31.3-34.8-43.3-63.9-19.1-46.6-19.7-90.4-1.4-97.9 9.2-3.8 21.3 2.3 33.6 15.1l3.8 4.5 0.1-0.6c5.5-26.1 14.7-43.2 25.2-43.2z"
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<path
d="M404.5 375c15.6 0 29.4 11.8 37.5 29.8l0.4 1 4.6-2.5c18.3-8.8 36.4-12.9 50.1-10.3 27.4 5.2 26.6 35.3-1.8 67.3-21.3 24-52 42.2-77.6 47.6l-3.5 0.5-0.6 0.3c-2.9 0.9-6 1.4-9.1 1.4l-6.4-1-3.8-0.2c-3.4-0.6-6.4-1.7-8.9-3.1l-0.2-0.2-7.5-2.2c-22.5-8-46.8-24-64.6-44.1-28.5-32.2-29.4-62.4-2-67.6 13.7-2.6 31.9 1.6 50.2 10.4l5.7 3.1 0.1-0.4c8-18 21.8-29.8 37.4-29.8z"
fill="#FB6568" p-id="1230"></path>
<path
d="M893.8 763c11.6-22.6 4.3-88.2-40.9-116.5-45.2-28.4-62.9-9.8-122.7 13.8 6.4 62.2 8.1 93.7 53.3 122.1 45.1 28.3 98.7 3.2 110.3-19.4z"
fill="#FCB2B4" p-id="1231"></path>
</svg>
<div>
文章
<span>Lorem ipsum dolor sit amet consectetur adipisicing elit. Architecto quisquam quis nihil
quia. Aliquam nesciunt iure pariatur sed amet adipisci?</span>
</div>
</a>
</li>
<li>
<a href="#">
<svg t="1586171878746" class="icon" viewBox="0 0 1024 1024" version="1.1"
xmlns="http://www.w3.org/2000/svg" p-id="1435" width="32" height="32">
<path
d="M475.2 389.8l82.2 297.6c7.4 26.8-6.2 55.2-31.8 66.2l-11.7 5c-25.6 11-55.4 1.4-69.5-22.6L287.8 470.4c-21.4-45.6-10.9-133.8 20-147 39.3-20.6 12.8-7.1 45.7-21.7 32.4-12.2 108.5 49.3 121.7 88.1"
fill="#FC7968" p-id="1436"></path>
<path
d="M510.3 682.8c0.8-0.7 1.7-1.3 2.8-1.7l32-11.6c4.3-1.5 9.1 0.7 10.8 4.9 1.7 4.3-0.4 9-4.7 10.5l-32 11.6c-4.3 1.5-9.1-0.7-10.8-4.9-1.3-3.2-0.4-6.6 1.9-8.8z m-82.1 17.8l14.1-5.1c4.3-1.5 9.1 0.7 10.8 4.9s-0.4 9-4.7 10.5L437 715l-8.8-14.4z m-11.5-75.7c0.8-0.7 1.7-1.3 2.8-1.7l32-11.6c4.3-1.5 9.1 0.7 10.8 4.9s-0.4 9-4.7 10.5l-32 11.6c-4.3 1.5-9.1-0.7-10.8-4.9-1.3-3.2-0.5-6.7 1.9-8.8z m56.7-89.8c0.4-0.7 0.9-1.3 1.4-1.8 0.8-0.7 1.7-1.3 2.8-1.7l32-11.6 1.6-0.2 4.6 15.6-0.1 0.1-32 11.6c-4.3 1.5-9.1-0.7-10.8-4.9-0.9-2.6-0.6-5.1 0.5-7.1z m-86.9 14.5c0.4-0.7 0.9-1.3 1.4-1.8 0.8-0.7 1.7-1.3 2.8-1.7l32-11.6c4.3-1.5 9.1 0.7 10.8 4.9 1.7 4.3-0.4 9-4.7 10.5l-32 11.6c-4.3 1.5-9.1-0.7-10.8-4.9-0.9-2.4-0.6-4.9 0.5-7z m12.6-78.6c0.4-0.7 0.9-1.3 1.4-1.8 0.8-0.7 1.7-1.3 2.8-1.7l32-11.6c4.3-1.5 9.1 0.7 10.8 4.9 1.7 4.3-0.4 9-4.7 10.5l-32 11.6c-4.3 1.5-9.1-0.7-10.8-4.9-0.9-2.4-0.6-4.9 0.5-7z m-84 43l14.8-5.4c4.3-1.5 9.1 0.7 10.8 4.9s-0.4 9-4.7 10.5l-12.1 4.4-8.8-14.4z m-13-76.1c0.4-0.7 0.9-1.3 1.4-1.8 0.8-0.7 1.7-1.3 2.8-1.7l32-11.6c4.3-1.5 9.1 0.7 10.8 4.9 1.7 4.3-0.4 9-4.7 10.5l-32 11.6c-4.3 1.5-9.1-0.7-10.8-4.9-0.9-2.4-0.7-5 0.5-7z"
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fill="#379966" p-id="1440"></path>
<path
d="M133 909.5c0-24.6 169.7-44.5 379-44.5s379 19.9 379 44.5S721.3 954 512 954s-379-19.9-379-44.5z"
fill="#EDEDEE" p-id="1441"></path>
<path
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fill="#379966" p-id="1446"></path>
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<path
d="M133 909.5c0-24.6 169.7-44.5 379-44.5s379 19.9 379 44.5S721.3 954 512 954s-379-19.9-379-44.5z"
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d="M299.4 823.3C259.5 789.1 450.4 618 528.5 618s277.8 171.1 239.7 205.3c-38.2 34.3-428.8 34.3-468.8 0z"
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d="M696.9 167c-122 139.2-185.5 322.3-173.5 510 3.6-0.2 7.1-0.5 10.7-0.7-11.8-184.8 50.7-365.1 170.9-502.2-2.7-2.4-5.4-4.7-8.1-7.1z"
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d="M668 446.5c-19.7 57.4-74.1 102.6-135 97 9.9-76.7 78.1-118.2 135-97zM515.2 246c-42.1 78.7-14.1 162.1 44.1 178 21.1-70.1 8.3-146.9-44.1-178z"
fill="#7CD0A4" p-id="1649"></path>
<path
d="M709 351.2c-29.5 53.8-90.9 89-150 72.8 23.1-74.3 97.6-103.9 150-72.8zM594 127c-55.9 69.9-42.7 156.2 12.1 182 33.1-64.7 34.3-142.4-12.1-182z"
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d="M767 264.2c-38.9 47.6-105.6 71.1-161 44.9 35.8-68.2 114.8-84.4 161-44.9zM781 93c-15.5 67.4-65.6 122.7-130.5 143-7.1-68.9 60.1-142.8 130.5-143z"
fill="#7CD0A4" p-id="1651"></path>
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d="M560.2 561.1c-9.4 5.5-18 13.2-25.4 21.7-1.3 18.3-1.9 36.7-1.7 55.1 4.8-26.9 17.7-48.6 34-62.8 24.7-21.7 51.4-24.3 80-19.8-29.3-9.6-57.3-11.7-86.9 5.8zM501.2 573.8c8.2 7.7 15.4 16.9 21.8 26.4-0.8 18.5-0.9 37.1-0.3 55.8-6-27.5-16.9-50.3-30.6-68.2-23.9-31.2-48.6-39.6-74.1-41.3 27-4.3 53.9-0.6 83.2 27.3zM781.8 426C702.5 516.9 661.2 636.4 669 759c2.3-0.1 4.6-0.3 7-0.4-7.7-120.7 33-238.4 111.1-327.9-1.8-1.6-3.6-3.1-5.3-4.7z"
fill="#44BC7D" p-id="1652"></path>
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<span>Lorem ipsum dolor sit amet consectetur adipisicing elit. Debitis porro, est provident
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上面是作者实践的效果，建议复制到编辑器观看，其中图标是采用了 iconfont svg 并配合 emmet 插件 的 lorem 生成的英文单词
原文：https://css-tricks.com/flexbox-bar-navigation/