html - Css Dropdown Button in a navbar -

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okay i'm trying learn css , i'm trying insert dropdown button in navbar.

what's happening when hover button whole navbar expanding instead of content of button. doing wrong? thanks!

ul {    list-style-type: none;    margin-left:8%;    margin-right: 8%;    padding-left: 0;    padding-right: 0;    overflow: hidden;    background-color: #f3f3f3;  }    .right{    float: right;  }      li {    float: left;    display: block;    color: #6f6f6f;    text-align: center;    padding: 14px 16px;    text-decoration: none;  }    li a:hover {    background-color: #e0e0e0;  }    p {    color: red;    margin-left: 8%;    margin-right: 8%;  }    body{    font-family:arial;    background-color:#f9f9f9;  }    .dropbtn {    background-color: #f3f3f3;    color: #6f6f6f;    padding: 14px 16px;    font-size: 16px;    border: none;    cursor: pointer;  }    /* container <div> - needed position dropdown content */  .dropdown {    position: relative;    display: block;  }    /* dropdown content (hidden default) */  .dropdown-content {    right: 0;    display: none;    position: relative;    background-color: #f9f9f9;    min-width: 10px;     }    /* links inside dropdown */  .dropdown-content {    right: 0;    color: black;    padding: 12px 16px;    text-decoration: none;    display: block;  }    /* change color of dropdown links on hover */  .dropdown-content a:hover {background-color: #e0e0e0}    /* show dropdown menu on hover */  .dropdown:hover .dropdown-content {    display: block;    right:0;  }    /* change background color of dropdown button when dropdown content shown */  .dropdown:hover .dropbtn {    background-color: #e0e0e0;  }
<ul>    <li><a href="/"><img src="../../static/image/logorect.png" width="25"> </a></li>    <li><a href="/movies">movies</a></li>    <li><a class="right" href="">search</a></li>    <div class="right">      <div class="dropdown">        <button class="dropbtn">dropdown</button>        <div class="dropdown-content">          <a href="#">links 1</a>          <a href="#">link 2</a>          <a href="#">link 3</a>        </div>      </div>    </div>    <li><a class="right" href="#about">explore</a></li>  </ul>

you have specify height , remove overflow hidden.

ul { list-style-type: none; margin-left:8%; margin-right: 8%; padding-left: 0; padding-right: 0; // overflow: hidden;  <---remove height: 48px;         // <---add background-color: #f3f3f3; }

if don't, ul defaults if has:

height: auto;

relevant fiddle


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