Table of Contents
There are 5 different values for the CSS position property: static, fixed, relative, absolute & sticky. The “Static” is the default value. And the “Absolute” is the most puzzle piece among them.
However, I will make it super simple and easy to understand. So you can use all the CSS position properties with confidence.
Static position
As I mentioned, the static is the default value. Think of it as a normal situation on your web page.
.any-element {
position: static;
}Fixed position
It’s related to the viewport. That means a fixed position depends on the device or screen. And it does not depend on the parent container or anything else. As the name suggests, it’s always fixed.
For example, you have an image (bulb) that has a position: fixed; top: 50px; left: 100px;
In this case, the bulb photo will stay 50px from the top and 100px from the left of the device. No matter how wide or tall is the device, its position will be the same.
Relative position
Think of it as the normal position of an HTML element. Only with position: relative; does not do anything. But if you also include top, left, bottom, or right values then the element creates space compared to its parent <div> or container.
Look at the below HTML markup and CSS as an example:
<div class="parent">
<p>I live 70px from top & 50px from left comparing to my parent.</p>
</div>p {
position: relative;
top: 100px;
right: 50px;
}
.parent {
background: #EA4335;
height: 150px;
}OUTPUT
I live 70px from top & 50px from left comparing to my parent.
In the above example, the red background area is the parent <div> that has a 150px height.
In reality, the position: relative; is generally used with position: absolute;. And I will discuss more in the next property.
Absolute position
As I said, it’s the most complex among the 5 positioning CSS. No worries, I am going to make it super simple right now.
In real-world projects, you have to specify position: relative; to a container <div> before you apply position: absolute; to a certain element.
But if you don’t specify position: relative; then it (the element that has position: absolute;) will consider its nearest ancestor as its parent or container. And that container will be treated as positioned relatively. But if it (the element that has position: absolute;) does not find any container then the <body> will be treated as positioned relatively.
Alright, if you specified position relative to an ancestor (parent) <div> then you’re ready to specify position absolute;
Wait, I know it looks confusing to you. But don’t be frustrated yet because I will show you some examples below that will clarify everything & any confusion.
Once you specified position: absolute; the element will be positioned based on the <div> that has a position: relative;. See the following examples that will clear all your confusion.
EXAMPLE #1
position: relative;position: absolute;<div class="father">
<span>I am father and I have blue background color.</span>
<div class="son">
<span>I am son and I have red background color.</span>
</div>
</div>.father {
background: #4285F4;
height: 300px;
position: relative;
}
.father .son {
background: #EA4335;
height: 100px;
position: absolute;
top: 60px;
left: 30px;
}EXAMPLE #2
position: relative;position: absolute;<div class="grandfather">
<span>I am the grand father and I have yellow background.</span>
<div class="father">
<span>I am father and I have blue background.</span>
<div class="son">
<span>I am son and I have red background.</span>
</div>
</div>
</div>.grandfather {
background: #FBBC05;
height: 400px;
position: relative;
}
.grandfather .father {
background: #4285F4;
height: 300px;
}
.grandfather .father .son {
background: #EA4335;
height: 100px;
position: absolute;
top: 60px;
left: 30px;
}EXAMPLE #3
position: relative;position: absolute;<div class="grandfather">
<span>I am the grand father and I have yellow background.</span>
<div class="father">
<span>I am father and I have blue background.</span>
<div class="son">
<span>I am son and I have red background.</span>
</div>
</div>
</div>.grandfather {
background: #FBBC05;
height: 400px;
}
.grandfather .father {
background: #4285F4;
height: 300px;
position: relative;
}
.grandfather .father .son {
background: #EA4335;
height: 100px;
position: absolute;
top: 60px;
left: 30px;
}In this Example #3, the father is positioned relatively. But in Example #2, the grandfather was positioned relatively. And in all examples, the son has position: absolute. Do you see the difference?
Sticky position
Position sticky makes an element/content sticky relative to its closest container/ancestor. See this in action below:
This is an example of sticky element behavior.
The blue area has a position sticky;
Scroll in this gray box to see it in action.
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ul {
position: -webkit-sticky;
position: sticky;
top: 0;
padding: 20px 15px;
background: #4285F4;
}Do you still have questions about CSS positioning? Let me know.
