HTML Use any element to be the menu on which your sub-menu is hidden, e.g. a <span>, or a <button> or a <ul> or a <div> element.
Use a container element (like <div>) to create the dropdown or the sub menu content and add whatever you want inside of it(this can be an image or a list of objects)
Wrap a <div> element around the elements to position the dropdown content correctly with CSS.
CSS) The
.dropdown class use position:relative, which is needed when we want the dropdown content to be placed right below the dropdown button or you can always change it to the position you want(using position:absolute).
The
.dropdown-content class holds the actual dropdown content. It is hidden by default, and will be displayed on hover (see below). Note the min-width(minimum width) is set to 160px. Feel free to change this. Tip: If you want the width of the dropdown content to be as wide as the dropdown button, set the width to 100% (and overflow:auto to enable scroll on small screens).
The
:hover selector is used to show the dropdown menu when the user moves the mouse over the dropdown button. example below
<!DOCTYPE html>
<html>
<head>
<style>
.btn {
background-color:black;
color: white;
padding: 16px;
font-size: 16px;
border: none;
cursor: pointer;
}
.dropdown {
position: relative;
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
background-color: grey;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
}
.dropdown-content a:hover {background-color: #f1f1f1}
.dropdown:hover .dropdown-content {
display: block;
}
.dropdown:hover .dropbtn {
background-color: #3e8e41;
}
</style>
</head>
<body>
<h2>Dropdown Menu</h2>
<p>Move the mouse over the button to open the dropdown menu.</p>
<div class="dropdown">
<button class="btn">Dropdown</button>
<div class="dropdown-content">
<a href="#">1</a>
<a href="#">2</a>
<a href="#">3</a>
</div>
</div>
</body>
</html>view result
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