<nav class="menu">
<ul>
<li><a href="#">Ana Sayfa</a></li>
<li><a href="#">Kategoriler</a>
<ul>
<li><a href="#">Python</a></li>
<li><a href="#">Dersler</a></li>
</ul>
</li>
<li><a href="#">Web Tasarım</a>
<ul>
<li><a href="#">HTML</a></li>
<li><a href="#">CSS</a></li>
</ul>
</li>
<li><a href="#">Sosyal Medya</a>
<ul>
<li><a href="#">İnstagram</a></li>
<li><a href="#">Discord</a></li>
</ul>
</li>
<li><a href="#">Hakkında</a></li>
</ul>
</nav>
</body>
</html>
<style type="text/css">
html {background-color: white;
text-align: center;}
.baslik { width: 510px;
height: 100px;
padding: 20px;
background-color: #28F092;
position: relative;
margin: auto;
border: solid 10px #294159;}
.icerik {width: 510px;
height: 150px;
padding: 20px;
background-color: gray;
position: relative;
margin: auto;
border: solid 10px #294159}
.menu ul{
list-style: none;
margin: left;
padding: 0;
}
.menu li{
float: left;
position: relative;
width: 120px;
}
.menu ul li ul{
display: none;
}
.menu ul li:hover ul{
display: block;
}
.menu ul li a{
text-decoration: none;
background: #294159;
display: block;
color: white;
font-weight: bold;
font-family: sans-serif;
text-align: center;
border-bottom: 2px solid gray;
border-left: 1px solid #595959;
padding: 5px;
}
.menu ul li ul li a{
background: #294159;
text-align: center;
padding: 5px;
border-bottom: 1px solid #294159;
font-size: .8em;
}
.menu li a:hover{
background: gray;
transition: .5s;
}
.menu ul li ul li a:hover{
padding-left: 15px;
}
</style>