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3 Best Ways to center a div inside a div using css only

I will talk about 3 ways to 'Center a div inside a div using css'. All the 3 methods are very easy and even a beginner can understand the concept. However i will also provide the code in this post. 
Stay Tuned till the last method as i will center a div inside another div by using just 2 lines of code

OUR CODE'S PRE WORKOUT

Follow these 3 steps before using any of the method to center a div inside a div. 

1. Before You use any of the trick to center the div using css make sure you have removed the by default margin (8px) and padding (8px) and don't forget to set box sizing to border box.

Code to do the magical stuff :

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

2 .I assume that you have marked the class of main div as class="parent_div" and the class of inner div as class="child_div"


3. Now I will give blue color so that we can check the div easily and can debug accordingly and 100% width to the parent div just to make the div responsive. 

#1 : First way to Center a div using CSS

In this first method we would use positions. We will center the div by using relative and absolute positions. We will give position="relative" to the parent_div and  position="absolute" to the child_div. 

When we give relative and absolute positioning to a div awe then have access to 4 more properties of css i.e. "top", "left", "right", "bottom".

Code to do magical Stuff 


.parent_div{
    background-color: blue;
    width: 100%;
    height: 100vh;
    position: relative;
}

.child_div{
    background-color: green;
    width: 60%;
    height: 60vh;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}



#2 : SECOND WAY TO CENTER A DIV

This method is a easier method especially for the beginners, who don't want to confuse themselves with advance positing concepts of css and also for those who don't know about the transform property of css3.

Now I will use Css Flexbox properties to center a div inside a div. Here I will pass a few css properties to the parent_div and will leave the child div untouched. I will set the display:flex; and to make our child_div horizontally centered, will pass justify-content:center; and will pass align-items:center; to make my child_div vertically center.

Code to do Magical Stuff

.parent_div{
    background-color: blue;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

Important Note:  Don't use this method to center a div inside another div if you have text inside the parent_div. This will cause overlapping between the text of parent_div and the child_div elements.



#3 : THIRD WAY TO CENTER A DIV

This is the easiest way to center a div inside a div. As I told above, I will only use 2 line of code to center a div inside another div.
I will use display:grip; property and place-items: center; property to make the div center inside another div.
.parent_div{
    background-color: blue;
    width: 100%;
    height: 100vh;
    display: grid;
    place-items: center;
}


Important Note: This method will horizontally align the text in the parent_div.


Pictures of css code comparison


Pictures of div centered inside a div


Here is the Html Code
html code to center a div inside a div

 Here is the result of first code #1
This is most recommended as well as my favourite.


Here is the result of second code #2


Here is the result of third code #3





CONCLUSION - WHICH METHOD SHOULD BE USE??

I told you about 3 interesting ways to center a div inside a div. Now you would be confused, Which method should be used and why?

There is  a simple answer to this tricky question. 

Use #1 Method if you have text in the parent_div and you don't want to mess with the text inside the parent_div. 

Use #2 Method only if the parent_div is empty (i.e. the parent_div doesn't have text inn it)

Use #3 Method if you have text in parent_div and you also want to horizontally align text to the center.

##My favourite way to center a div inside another div is by using relative and absolute positions. I always prefer the #1 Method to center a div inside another div.


Hope you like the Article and I welcome you to read more Articles at JAPSIMRAN.BLOGSPOT.COM

Also tell your favourite method amongst the 3. If you know another easy way to center the div inside a div, don't hesitate to comment below.

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