CSS Dropdowns
Dropdowns are one of the maximum crucial parts of an interactive internet site. CSS is a kind used to design the drop-down menus. A drop-down essentially is a group of lists below an unordered list. <ul> as it is popularly recognized in HTML international, sort of contrary to popular belief. Nested list (<li>) tags below the <ul> tag used to create drop-down shape.
To carry out the outcomes, we can use CSS for the additives particularly present inside the shape in a big way.
Example
Let’s consider a coding example.
Consider the below code:
<!DOCTYPE html>
<html>
<head>
<title>Dropdown property</title>
</head>
<body>
<nav>
<ul>
<li class="Level-1">
<a href="">Dropdown-list</a>
<ul>
<li><a href="">Li 1</a></li>
<li><a href="">Li 2</a></li>
<li><a href="">Li 3</a></li>
<li><a href="">Li 4</a></li>
</ul>
</li>
</ul>
</nav>
</body>
</html>
Output:
Types of CSS Dropdowns
The CSS Dropdowns are classified as:
- Basic Dropdown
- Dropdown-menu
- Right-aligned Dropdown
- Dropdown Navbar
Basic Dropdown
Example
Let’s consider a coding example.
<!DOCTYPE html>
<html>
<head>
<style>
.dropdown {
position: relative;
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
background-color: white ;
min-width: 170px;
box-shadow: 0px 9px 16px 0px black;
padding: 13px 18px;
z-index: 1;
}
.dropdown:hover .dropdown-content {
display: block;
}
</style>
</head>
<body>
<h2>Hoverable Dropdown Here</h2>
<p>Circulate the mouse over the text below to open the dropdown content.</p>
<div class="dropdown">
<span>Hover Mouse Over Me</span>
<div class="dropdown-content">
<p>Hello All..!!</p>
</div>
</div>
</body>
</html>
Output:
If we hover the mouse (Hover Mouse Over Me) then the below output is shown:
Explanation:
HTML- Use any element to open the dropdown content material, e.g. A <span>, or a <button> element.
Use a container element (like <div>) to create the dropdown content material and upload something you want inner of it.
Wrap a <div> element across the elements to put the dropdown content efficaciously with CSS.
CSS- The .Dropdown class makes use of position: relative, which is wanted when we need the dropdown content material to be positioned right under the dropdown button (using position: absolute).
The .Dropdown-content material magnificence holds the real dropdown content. It's far hidden by default and might be displayed on hover (see underneath). Word the min-width is ready to 160px. Feel free to trade this.
Rather than using a border, we've got used the CSS field-shadow belongings to make the dropdown menu appear to be a "card".
The :hover selector is used to revealing the dropdown menu when the consumer moves the mouse over the dropdown button.
Dropdown-menu
Create a dropdown menu that allows the consumer to select an alternative from a listing. In this case, just like the preceding one, it depicts that we add links in the dropdown box and fashion them to in shape a styled dropdown button:
Example
Code:
<!DOCTYPE html>
<html>
<head>
<style>
.dropbtn {
background-color: purple;
color: white;
padding: 15px;
font-size: 15px;
border: none;
cursor: pointer;
}
.dropdown {
position: relative;
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
background-color: seashell;
min-width: 150px;
box-shadow: 0px 8px 16px 0px black;
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
}
.dropdown-content a:hover {background-color: white}
.dropdown:hover .dropdown-content {
display: block;
}
.dropdown:hover .dropbtn {
background-color: purple;
}
</style>
</head>
<body>
<h2>Dropdown Menu</h2>
<p>Hover the mouse over the button to open that dropdown menu.</p>
<div class="dropdown">
<button class="dropbtn">Dropdown</button>
<div class="dropdown-content">
<a href="**">Link-1</a>
<a href="**">Link-2</a>
<a href="**">Link-3</a>
</div>
</div>
<p><strong>Remember:</strong> We use href="**" for test links. In a web site this would be URLs.</p>
</body>
</html>
Output:
If we hover the mouse(Dropdown) then below output is shown:
Right-aligned Dropdown
If you need the dropdown menu to move from right to left, instead of left to right, upload right: 0;
Example
Code:
<!DOCTYPE html>
<html>
<head>
<style>
.dropbtn {
background-color: lightcoral;
color: white;
padding: 18px;
font-size: 18px;
border: none;
cursor: pointer;
}
.dropdown {
position: relative;
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
right: 0;
background-color: white;
min-width: 150px;
box-shadow: 0px 8px 16px 0px black;
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 11px 15px;
text-decoration: none;
display: block;
}
.dropdown-content a:hover {background-color: white;}
.dropdown:hover .dropdown-content {
display: block;
}
.dropdown:hover .dropbtn {
background-color: lightcoral;
}
</style>
</head>
<body>
<h2>Right Left Dropdown</h2>
<p>Determine whether the dropdown content material should go from left to right or right to left with the left and proper properties.</p>
<div class="dropdown" style="float:left;">
<button class="dropbtn">Left</button>
<div class="dropdown-content" style="left:0;">
<a href="**">Product1</a>
<a href="**">Product2</a>
<a href="**">Product3</a>
</div>
</div>
<div class="dropdown" style="float:right;">
<button class="dropbtn">Right</button>
<div class="dropdown-content">
<a href="**">Product1</a>
<a href="**">Product2</a>
<a href="**">Product3</a>
</div>
</div>
</body>
</html>
Output:
Dropdown Navbar
Dropdown menu is added in Navbar.
Example
Code:
<!DOCTYPE html>
<html>
<head>
<style>
ul {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
background-color: black;
}
li {
float: left;
}
li a, .dropbtn {
display: inline-block;
color: white;
text-align: center;
padding: 15px 17px;
text-decoration: none;
}
li a:hover, .dropdown:hover .dropbtn {
background-color: purple;
}
li.dropdown {
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
background-color: white;
min-width: 160px;
box-shadow: 0px 8px 16px 0px black;
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropdown-content a:hover {background-color: white;}
.dropdown:hover .dropdown-content {
display: block;
}
</style>
</head>
<body>
<ul>
<li><a href="#Home">Home</a></li>
<li><a href="#Login">Login</a></li>
<li class="dropdown">
<a href="javascript:void(0)" class="dropbtn">Dropdown</a>
<div class="dropdown-content">
<a href="**">Product 1</a>
<a href="**">Product 2</a>
<a href="**">Product 3</a>
</div>
</li>
</ul>
<h3>Dropdown Menu is in a NavBar</h3>
<p>Hover over the "Dropdown" link to see the dropdown menu.</p>
</body>
</html>
Output:
