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How TO - Side Navigation
Learn how to create an animated, closable side navigation menu.
Create an Animated Side Navigation
Step 1) Add HTML:
Example
<div id="mySidenav" class="sidenav">
<a href="javascript:void(0)"
class="closebtn" onclick="closeNav()">×</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
</div>
<!-- Use any element to open the sidenav -->
<span onclick="openNav()">open</span>
<!-- Add all page content inside this div if you want the side nav to
push page content to the right (not used if you only want the sidenav to
sit on top of the page -->
<div id="main">
...
</div>
Step 2) Add CSS:
Example
/* The side navigation menu */
.sidenav {
height: 100%; /*
100% Full-height */
width: 0; /* 0 width - change this
with JavaScript */
position: fixed; /* Stay in place
*/
z-index: 1; /* Stay on top */
top: 0;
left: 0;
background-color: #111; /* Black*/
overflow-x: hidden; /* Disable horizontal scroll */
padding-top: 60px; /* Place content 60px from the top */
transition: 0.5s; /* 0.5 second transition effect to slide in the sidenav */
}
/* The navigation menu links */
.sidenav a {
padding: 8px 8px 8px 32px;
text-decoration: none;
font-size: 25px;
color: #818181;
display: block;
transition: 0.3s
}
/* When you mouse over the navigation links,
change their color */
.sidenav a:hover, .offcanvas a:focus{
color: #f1f1f1;
}
/* Position and style the close button (top
right corner) */
.closebtn {
position:
absolute;
top: 0;
right: 25px;
font-size: 36px !important;
margin-left: 50px;
}
/* Style page content - use this if you want to push the page content to
the right when you open the side navigation */
#main {
transition: margin-left .5s;
padding: 20px;
}
/* On smaller screens, where height is less than
450px, change the style of the sidenav (less padding and a smaller font
size) */
@media screen and (max-height: 450px) {
.sidenav
{padding-top: 15px;}
.sidenav a {font-size: 18px;}
}
Step 3) Add JavaScript:
The example below slides in the side navigation, and makes it 250px wide:
Sidenav Overlay Example
/* Set
the width of the side navigation to 250px */
function
openNav() {
document.getElementById("mySidenav").style.width
= "250px";
}
/*
Set the width of the side navigation to 0 */
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
}
Try it Yourself »
The example below slides in the side navigation, and pushes the page content to the right (the value used to set the width of the sidenav is also used to set the left margin of the "page content"):
Sidenav Push Content
/* Set the width of the side navigation to 250px and the left margin of the
page content to 250px */
function
openNav() {
document.getElementById("mySidenav").style.width
= "250px";
document.getElementById("main").style.marginLeft
= "250px";
}
/* Set the width of the side navigation to 0 and the
left margin of the page content to 0 */
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
document.getElementById("main").style.marginLeft = "0";
}
Try it Yourself »
The example below also slides in the side navigation, and pushes the page content to the right, only this time, we add a black background color with a 40% opacity to the body element, to "highlight" the side navigation:
Sidenav Push Content w/ opacity
/* Set the width of the side navigation to 250px and the left margin of the
page content to 250px and add a black background color to body */
function
openNav() {
document.getElementById("mySidenav").style.width
= "250px";
document.getElementById("main").style.marginLeft
= "250px";
document.body.style.backgroundColor = "rgba(0,0,0,0.4)";
}
/* Set the width of the side navigation to 0 and the
left margin of the page content to 0, and the background color of body to
white */
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
document.getElementById("main").style.marginLeft = "0";
document.body.style.backgroundColor = "white";
}
Try it Yourself »
The example below slides in the side navigation from the left and covers the whole page (100% width):
Sidenav Full-width:
/* Open the sidenav */
function
openNav() {
document.getElementById("mySidenav").style.width
= "100%";
}
/* Close/hide the sidenav */
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
}
Try it Yourself »
The example below opens and close the side navigation menu without animations:
Sidenav without Animation
/* Open the sidenav */
function
openNav() {
document.getElementById("mySidenav").style.display
= "block";
}
/* Close/hide the sidenav */
function closeNav() {
document.getElementById("mySidenav").style.display = "none";
}
Try it Yourself »
Tip: Go to our CSS Navbar Tutorial to learn more about navigation bars.
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