3月15日の作業データ(ドロップダウンメニュー)

<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ドロップダウンメニューの作成</title>
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<header>
<h1>ロゴ</h1>
<nav id="g-nav">
<ul>
<li><a href="#">MEN</a></li>

<li><a href="women/index.html">WOMEN</a>
<div class="drop-menu">
<div class="drop-box">
<a href="women/index.html#shoes">
<p class="drop-photo"><img src="img/nav-01.jpg" alt=""></p>
<p>シューズ</p>
</a>
</div><!-- /.drop-box -->
<div class="drop-box">
<a href="women/index.html#wear">
<p class="drop-photo"><img src="img/nav-02.jpg" alt=""></p>
<p>ウェア</p>
</a>
</div><!-- /.drop-box -->
<div class="drop-box">
<a href="women/index.html#sports">
<p class="drop-photo"><img src="img/nav-03.jpg" alt=""></p>
<p>スポーツ</p>
</a>
</div><!-- /.drop-box -->
<div class="drop-box">
<a href="women/index.html#brand">
<p class="drop-photo"><img src="img/nav-04.jpg" alt=""></p>
<p>ブランド</p>
</a>
</div><!-- /.drop-box -->
</div><!-- /.drop-menu -->
</li>
<li><a href="#">KIDS</a></li>
<li><a href="#">CUSTOMIZE</a></li>
<li><a href="#">SALE</a></li>
</ul>
</nav>
<div class="sns">
<p><img src="img/instagram-brands.svg" alt=""></p>
<p><img src="img/envelope-regular.svg" alt=""></p>
</div>
</header>
</body>
</html>


style.css

@charset "utf-8";
html{box-sizing:border-box;-webkit-text-size-adjust:100%}*,:after,:before{background-repeat:no-repeat;box-sizing:inherit}:after,:before{text-decoration:inherit;vertical-align:inherit}*{padding:0;margin:0;box-sizing:border-box;}audio:not([controls]){display:none;height:0}hr{overflow:visible}article,aside,details,figcaption,figure,footer,header,main,menu,nav,section,summary{display:block}summary{display:list-item}small{font-size:80%}[hidden],template{display:none}abbr[title]{border-bottom:1px dotted;text-decoration:none}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}code,kbd,pre,samp{font-family:monospace,monospace}b,strong{font-weight:bolder}dfn{font-style:italic}mark{background-color:#ff0;color:#000}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}input{border-radius:0}[role=button],[type=button],[type=reset],[type=submit],button{cursor:pointer}[disabled]{cursor:default}[type=number]{width:auto}[type=search]{-webkit-appearance:textfield}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}textarea{overflow:auto;resize:vertical}button,input,optgroup,select,textarea{font:inherit}optgroup{font-weight:700}button{overflow:visible}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{border-style:0;padding:0}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button:-moz-focusring{outline:1px dotted ButtonText}[type=reset],[type=submit],button,html [type=button]{-webkit-appearance:button}button,select{text-transform:none}button,input,select,textarea{background-color:transparent;border-style:none;color:inherit}select{-moz-appearance:none;-webkit-appearance:none}select::-ms-expand{display:none}select::-ms-value{color:currentColor}legend{border:0;color:inherit;display:table;max-width:100%;white-space:normal}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}img{border-style:none;vertical-align: bottom}progress{vertical-align:baseline}svg:not(:root){overflow:hidden}audio,canvas,progress,video{display:inline-block}@media screen{[hidden~=screen]{display:inherit}[hidden~=screen]:not(:active):not(:focus):not(:target){position:absolute!important;clip:rect(0 0 0 0)!important}}[aria-busy=true]{cursor:progress}[aria-controls]{cursor:pointer}[aria-disabled]{cursor:default}::-moz-selection{background-color:#b3d4fc;color:#000;text-shadow:none}::selection{background-color:#b3d4fc;color:#000;text-shadow:none}ul,ol{list-style:none;}a{text-decoration:none;}.wrapper{overflow:hidden;}body{overflow-y:scroll;}img{max-width: 100%;}

header{
height: 80px;
background-color: #e6f5fb;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0 20px;
position: relative;
}
h1{
width: 10%;
text-align: center;
}
#g-nav>ul{
display: flex;
}
#g-nav li{
margin: 0 20px;
}
#g-nav>ul>li>a{
display: block;
color: #222;
line-height: 80px;
padding: 0 10px;
font-weight: bold;
}
#g-nav>ul>li>a:hover{
text-decoration: underline 3px;
text-underline-offset: 3px;
}
.drop-menu{
position: absolute;
left: 0;
top: 80px;
width: 100%;
height: 400px;
background-color: #d1d1d1;
display: flex;
justify-content: center;
padding-top: 80px;
opacity: 0;
visibility: hidden;
}
#g-nav li:hover>.drop-menu{
opacity: 1;
visibility: visible;
transition: 0.5s;
}
.drop-box{
width: 18%;
margin: 0 16px;
}
.drop-box>a{
color: #222;
margin-top: 12px;
font-size: 20px;
}
.drop-photo{
overflow: hidden;
margin-bottom: 6px;
}
.drop-box img{
transition: 0.3s;
}
.drop-box>a:hover img{
transform: scale(1.1);
}
.sns{
display: flex;
width: 10%;
justify-content: space-between;
}
.sns>p{
width: 44px;
}