第一题：使用flex布局实现Educoder顶部导航栏容器布局
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Educoder</title><script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script><script src="step1/verify.js"></script>
</head>
<style type="text/css">body {padding: 0;margin: 0;}.color-white {color: white;}/*********** Begin ************/.container {min-width: 1200px;}header {background: #24292D;height: 60px;justify-content: space-between;padding: 0 25px;}/*********** End ************/
</style>
<body>
<div class="container"><header><div class="left-wrap color-white">左边容器</div><div class="right-wrap color-white">右边容器</div></header>
</div>
</body>
</html>
第二题：实现左侧文字导航列表
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Educoder</title><script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script><script src="step2/verify.js"></script>
</head>
<style type="text/css">body {padding: 0;margin: 0;}.container {min-width: 1200px;}.flex {display: flex;}header {background: #24292D;height: 60px;justify-content: space-between;padding: 0 25px;}header > div {height: 100%;display: flex;align-items: center;}/*********** Begin ************/.logo-block{display: flex;align-items: center;justify-content: center;}.logo {width: 40px;height: 38px;margin-right: 30px;}.menu-item {color: #ffffff;font-size: 16px;width: 64px;height: 100%;display: flex;align-items: center;margin-right: 30px;position: relative;}.hot{position: absolute;top: 10px;right: -22px;}/*********** End ************/
</style>
<body>
<div class="container"><header class="flex"><div class="left-wrap"><!--********** Begin **********--><div class="logo-block"><img src="https://www.educoder.net/images/educoder/headNavLogo.png?1526520218" class="logo"></div><div class="menu-block full-height flex"><div class="menu-item"><span>实践课程</span></div><div class="menu-item"><span>翻转课堂</span></div><div class="menu-item"><span>实训项目</span></div><div class="menu-item"><span>在线竞赛<img class="hot" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAQCAYAAAAFzx/vAAACl0lEQVRIS62UP0gbURzHP09DUrHW1EqHuLhYBC0t1NOCg4M432IXhxZKDwShxUA7iuLmoLUEXHSRghk1OLgaaCrnn6FD6aFUEDoIYq5NxBBNXnkvl3hWi4N5y927e+/3+f2+vz9CQhCYAl4C96nSkoC4sJUGFoEPQsJH4F2VODeZmVVARQ/fdPI2/1W0XsSuAqr30qqrg85O2N0F1726V2ciEejqQp6fI1IppOsivG9+p5TRguOQcxxOgbzaK5kvAQ0DbBtME5lIgGEg/PupKUQ0CtksBIOQz8PQEDIQQKysXBFhf3yc3YmJSkQ1/wNK0wQfUO8PDhBbW8j5eRgehnAYsb6ObGzkuLWVQ+DUMHhm22ybJr/VfUBDfE8dYUVTLyK5tASOAy0tCMtCAUVzMywsIPv6EMmklic3Okr99DRf2trI7e1x1zDosW2+mSaZf4AVeNGfwzJQ5TCTgVAI0dGhJda5m5uD3l5yqRQ/gcDICI9iMba7u8ltblJvGDy1bb77gApUbg8d7XVADfAkVTnVEabTkEySjUZxZmY4AdqXl2nq72enoUHn6Y5h8MS2+WGa/Ekk/H2o5VVgBdRtob3wikYDfEDlwFkiQX51lbqBAdIbG9SGQoR7ejgYG+NwclIbVMDHto3jAf1VpFJQA2lRgFngrfZAyWZZEI+XchiJULAsTuJxfjkOLtA0OEhDezuyWCSzs8PJ2lqlCgORCA8ti6N4XLdDuTaKXh9K+KSKJlgsjbZXAsIXTQk54Ag4Bs6AWq/alHPlc0oZ9a6MquUzrr97/9wCLD6A975xV7og4Svw3Lu/BrwQkL3NpPHfvQ64D7QCn4HXohRc1dZ1QDWJYnqy+1umSshLQAn3gDcCpqtk/4qZv02gFT1dbcRiAAAAAElFTkSuQmCC"></span></div><div class="menu-item"><span>教学案例</span></div><div class="menu-item"><span>交流问答</span></div></div></div><!--********** End **********--></div><div class="right-wrap"></div></header>
</div>
</body>
</html>
第三题：实现右侧功能图标排序
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Educoder</title><script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script><script src="step3/verify.js"></script>
</head>
<style type="text/css">body {padding: 0;margin: 0;}.container {min-width: 1200px;}.flex {display: flex;}.full-height{height: 100%;}header {background: #24292D;height: 60px;justify-content: space-between;padding: 0 25px;}header > div {height: 100%;display: flex;align-items: center;}.logo-block{display: flex;align-items: center;justify-content: center;}.logo {width: 40px;height: 38px;margin-right: 30px;}.menu-item {color: #ffffff;font-size: 16px;width: 64px;height: 100%;display: flex;align-items: center;margin-right: 30px;position: relative;}.hot{position: absolute;top: 10px;right: -22px;}/*********** Begin ************/.icon-item {height: 100%;width: 48px;display: flex;align-items: center;cursor: pointer;justify-content: center;}.user {width: 34px;height: 34px;margin-left: 15px;cursor: pointer;}/*********** End ************/
</style>
<body>
<div class="container"><header class="flex"><div class="left-wrap"><div class="logo-block"><img src="https://www.educoder.net/images/educoder/headNavLogo.png?1526520218" class="logo"></div><div class="menu-block full-height flex"><div class="menu-item"><span>实践课程</span></div><div class="menu-item"><span>翻转课堂</span></div><div class="menu-item"><span>实训项目</span></div><div class="menu-item"><span>在线竞赛<img class="hot" src="data:image/png;base64,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"></span></div><div class="menu-item"><span>教学案例</span></div><div class="menu-item"><span>交流问答</span></div></div></div><div class="right-wrap"><!--********** Begin **********-->
<div class="icon-list full-height flex"><div class="icon-item"><img src="https://data.educoder.net/api/attachments/411643" alt=""></div><div class="icon-item"><img src="https://data.educoder.net/api/attachments/411644" alt=""></div><div class="icon-item"><img src="https://data.educoder.net/api/attachments/411645" alt=""></div></div><img class="user" src="https://data.educoder.net/images/avatars/User/b?t=1569204859650" alt=""></div><!--********** End **********--></div></header>
</div>
</body>
</html>
第四题：实现左侧鼠标悬停效果与选中状态
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Educoder</title><script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script><script src="step4/verify.js"></script>
</head>
<style type="text/css">body {padding: 0;margin: 0;}.container {min-width: 1200px;}.flex {display: flex;}.full-height {height: 100%;}header {background: #24292D;height: 60px;justify-content: space-between;padding: 0 25px;}header > div {height: 100%;display: flex;align-items: center;}.logo-block {display: flex;align-items: center;justify-content: center;}.logo {width: 40px;height: 38px;margin-right: 30px;}.menu-item {color: #ffffff;font-size: 16px;width: 64px;height: 100%;display: flex;align-items: center;margin-right: 30px;position: relative;cursor: pointer;}.hot {position: absolute;top: 10px;right: -22px;}.icon-item {height: 100%;width: 48px;display: flex;align-items: center;cursor: pointer;justify-content: center;}.user {width: 34px;height: 34px;margin-left: 15px;cursor: pointer;}/*********** Begin ************/.menu-item:hover {opacity: .7;}.active {position: relative;color: #459be5;}.active:after {position: absolute;content: ' ';width: 14px;height: 2px;background: #459be5;bottom: -10px;left: 0;}/*********** End ************/
</style>
<body>
<div class="container"><header class="flex"><div class="left-wrap"><div class="logo-block"><img src="https://www.educoder.net/images/educoder/headNavLogo.png?1526520218" class="logo"></div><div class="menu-block full-height flex"><div class="menu-item"><span class="active">实践课程</span></div><div class="menu-item"><span>翻转课堂</span></div><div class="menu-item"><span>实训项目</span></div><div class="menu-item"><span>在线竞赛<img class="hot"src="data:image/png;base64,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"></span></div><div class="menu-item"><span>教学案例</span></div><div class="menu-item"><span>交流问答</span></div></div></div><div class="right-wrap"><div class="icon-list full-height flex"><div class="icon-item"><img src="https://www.educoder.net/api/attachments/411643" alt=""></div><div class="icon-item"><img src="https://www.educoder.net/api/attachments/411644" alt=""></div><div class="icon-item"><img src="https://www.educoder.net/api/attachments/411645" alt=""></div></div><img class="user" src="https://www.educoder.net/images/avatars/User/b?t=1569204859650" alt=""></div></header>
</div>
</body>
</html>
