Amazing Web Page Sidenav with CSS3 Effect

Using CSS3 we can create different animation effects. In my previous post I have wrote about using css3 animation property with keyframes. Today will use CSS3 transition with custom easing function. The code is very simple as always. Let's start.


demo

download

In this we will have only two files.
1)index.html
2)style.css

index.html

<!doctype html>  
<html lang="en">  
<head>  
<meta charset="UTF-8">  
<title>Amazing Web Page Sidenav with CSS3 Effect:Techumber</title>  
<link href='http://fonts.googleapis.com/css?family=Dosis:800' rel='stylesheet' type='text/css'>  
<link rel="stylesheet" type="text/css" href="style.css">  
</head>  
<body>  
<div id="page">  
<nav>  
<h2><a href="http://techumber.com">TU</a></h2>  
<ul>  
<li><a href="http://techumber.com">Home</a></li>  
<li><a href="http://techumber.com">About</a></li>  
<li><a href="http://techumber.com">Blog</a></li>  
<li><a href="http://techumber.com">Contact</a></li>  
</ul>  
</nav>  
<section>  
<h1 class="logo">Techumber</h1>  
</section>  
</div>  
</body>  
</html> 

Very simple html. We have only two main elements. One is nav and other one is section.

style.css

/*Simple reset*/ 
*{ 
margin: 0;  
padding: 0;  
border: 0;  
color: #fff;  
text-decoration: none;  
} 
html,body,#page{  
width: 100%;  
height: 100%;  
} 
body{  
font-family: 'Dosis', sans-serif;  
font-size: 16px;  
background: #010001;  
color: #fff;  
} 
h1{  
font-size: 2em;  
} 
nav{  
background: #232323;  
height: 100%;  
left: -280px;  
position: fixed;  
width: 280px;  
z-index: 3;  
cursor: pointer;  
border-right: 3px solid #f4a998;  
text-align: center;  
-webkit-transition: all 1100ms cubic-bezier(0.205, 0.475, 0.720, 1); /* older webkit */ 
-webkit-transition: all 1100ms cubic-bezier(0.205, 0.475, 0.720, 1.505); 
-moz-transition: all 1100ms cubic-bezier(0.205, 0.475, 0.720, 1.505); 
-o-transition: all 1100ms cubic-bezier(0.205, 0.475, 0.720, 1.505); 
transition: all 1100ms cubic-bezier(0.205, 0.475, 0.720, 1.505); /* custom */  
} 
nav:hover,nav:after:hover{  
left: 0;  
} 
nav:after{  
content: "";  
display: block;  
height: 16px;  
width: 17px;  
left: 290px;  
margin-top: -8px;  
position: absolute;  
top: 50%;  
cursor: pointer;  
background-size: 50px 50px;  
background: #f4a998; /* Old browsers */  
background: -webkit-gradient(linear, 0 0, 0 100%, from(#f4a998), color-stop(0.2, #f4a998), color-stop(0.2, #000000), color-stop(0.2, #f4a998), color-stop(0.2, #000000), color-stop(0.2, #000000), color-stop(0.4, #000000), color-stop(0.4, #f4a998), color-stop(0.4, #f4a998), color-stop(0.6, #f4a998), color-stop(0.6, #000000), color-stop(0.6, #000000), color-stop(0.81, #000000), color-stop(0.81, #f4a998), to(#f4a998));  
background: -webkit-linear-gradient(#f4a998 0%, #f4a998 20%, #000000 20%, #f4a998 20%, #000000 20%, #000000 20%, #000000 40%, #f4a998 40%, #f4a998 40%, #f4a998 60%, #000000 60%, #000000 60%, #000000 81%, #f4a998 81%, #f4a998 100%);  
background: -moz-linear-gradient(#f4a998 0%, #f4a998 20%, #000000 20%, #f4a998 20%, #000000 20%, #000000 20%, #000000 40%, #f4a998 40%, #f4a998 40%, #f4a998 60%, #000000 60%, #000000 60%, #000000 81%, #f4a998 81%, #f4a998 100%);  
background: -o-linear-gradient(#f4a998 0%, #f4a998 20%, #000000 20%, #f4a998 20%, #000000 20%, #000000 20%, #000000 40%, #f4a998 40%, #f4a998 40%, #f4a998 60%, #000000 60%, #000000 60%, #000000 81%, #f4a998 81%, #f4a998 100%);  
background: linear-gradient(#f4a998 0%, #f4a998 20%, #000000 20%, #f4a998 20%, #000000 20%, #000000 20%, #000000 40%, #f4a998 40%, #f4a998 40%, #f4a998 60%, #000000 60%, #000000 60%, #000000 81%, #f4a998 81%, #f4a998 100%); /* FF3.6+ */ /* Chrome,Safari4+ */ /* Chrome10+,Safari5.1+ */ /* Opera 11.10+ */ /* IE10+ */ /* W3C */  
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f4a998', endColorstr='#f4a998',GradientType=0 ); /* IE6-9 */  
} 
nav h2{  
border: 1px solid #fff;  
border-radius: 50%;  
width: 34px;  
padding: 10px;  
margin: 0 auto;  
margin-top: 130%;  
} 
nav ul li{  
font-size: 22px;  
} 
section{  
background: #010001;  
height: 100%;  
position: relative;  
width: 100%;  
overflow: hidden;  
text-align: center;  
} 
.logo{ 
background-size: contain;  
display: block;  
font-size: 170px;  
height: 121px;  
margin-top: 20%;  
} 

In this code, the most import is the nav selection. In it we have used CSS3 transition properties with custom easing effect. To create that effect we have used css3 cubic-bezier function. It's difficult to create such custom effect manually. But fortunately there are some tools available online. For example  http://matthewlein.com/ceaser/ is very useful online tool to create such effects.

Conclusion

Since it is css3. The effect won't work in old browsers(IE 6,7,8,9). So we may need to use jquery to get the same effect.

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