Centering an Image Within a Div

Centering an image within a div

Try setting the image’s display property to block:

banner {
    height: 100px;
    width: 960px;
    padding-bottom: 10px;
}

banner img {
    border: none;
    display: block;
    margin: 0 auto;
}

How to center image horizontally within a div element?

#artiststhumbnail a img {
    display:block;
    margin:auto;
}

Here's my solution in: http://jsfiddle.net/marvo/3k3CC/2/

How to make an image center (vertically & horizontally) inside a bigger div

Personally, I'd place it as the background image within the div, the CSS for that being:

#demo {
    background: url(bg_apple_little.gif) no-repeat center center;
    height: 200px;
    width: 200px;
}

(Assumes a div with id="demo" as you are already specifying height and width adding a background shouldn't be an issue)

Let the browser take the strain.

Center image in div horizontally

Every solution posted here assumes that you know the dimensions of your img, which is not a common scenario. Also, planting the dimensions into the solution is painful.

Simply set:

/* for the img inside your div */
display: block;
margin-left: auto;
margin-right: auto;

or

/* for the img inside your div */
display: block;
margin: 0 auto;

That's all.

Note, that you'll also have to set an initial min-width for your outer div.

How to vertically align an image inside a div

The only (and the best cross-browser) way as I know is to use an inline-block helper with height: 100% and vertical-align: middle on both elements.

So there is a solution: http://jsfiddle.net/kizu/4RPFa/4570/

.frame {    height: 25px;      /* Equals maximum image height */    width: 160px;    border: 1px solid red;    white-space: nowrap; /* This is required unless you put the helper span closely near the img */
    text-align: center;    margin: 1em 0;}
.helper {    display: inline-block;    height: 100%;    vertical-align: middle;}
img {    background: #3A6F9A;    vertical-align: middle;    max-height: 25px;    max-width: 160px;}

<div class="frame">    <span class="helper"></span><img src="http://jsfiddle.net/img/logo.png" height=250px /></div><div class="frame">    <span class="helper"></span><img src="http://jsfiddle.net/img/logo.png" height=25px /></div><div class="frame">    <span class="helper"></span><img src="http://jsfiddle.net/img/logo.png" height=23px /></div><div class="frame">    <span class="helper"></span><img src="http://jsfiddle.net/img/logo.png" height=21px /></div><div class="frame">    <span class="helper"></span><img src="http://jsfiddle.net/img/logo.png" height=19px /></div><div class="frame">    <span class="helper"></span>    <img src="http://jsfiddle.net/img/logo.png" height=17px /></div><div class="frame">    <span class="helper"></span>    <img src="http://jsfiddle.net/img/logo.png" height=15px /></div><div class="frame">    <span class="helper"></span>    <img src="http://jsfiddle.net/img/logo.png" height=13px /></div><div class="frame">    <span class="helper"></span>    <img src="http://jsfiddle.net/img/logo.png" height=11px /></div><div class="frame">    <span class="helper"></span>    <img src="http://jsfiddle.net/img/logo.png" height=9px /></div><div class="frame">    <span class="helper"></span>    <img src="http://jsfiddle.net/img/logo.png" height=7px /></div><div class="frame">    <span class="helper"></span>    <img src="http://jsfiddle.net/img/logo.png" height=5px /></div><div class="frame">    <span class="helper"></span>    <img src="http://jsfiddle.net/img/logo.png" height=3px /></div>

How to center an image in the middle of a div?

Simple and easy method to do this,

.test {  background-color: orange;  width: 700px;  height: 700px;  display:flex;  align-items:center;  justify-content:center;}

<div class="test"><img src="http://via.placeholder.com/350x150"></div>

center IMG/ inside a DIV with CSS

You can make it work if you wrap another element around the image:

<div class="outer">
    <div class="inner"><img src="" alt="Sample Image" /></div>
</div>

And the following CSS:

.outer {
    width: 300px;
    border: 1px solid red;
    overflow: hidden;
    *position: relative;
}
.inner {
    float: left;
    position: relative;
    left: 50%;
}
img {
    display: block;
    position: relative;
    left: -50%;
}

The position: relative on the .outer is marked with * so it only applies to IE6/7. You could move it to a conditional IE stylesheet if that's what you prefer, or remove the * altogether. It's needed to avoid the now relatively positioned children from overflowing.

How to center div that contains an image within a div?

This approach works perfectly for dynamic content of unknown dimensions.

jsFiddle example

Basically, we are using vertical-align:middle for vertical centering, and text-align:center for horizontal centering. In order for vertical-align:middle to work on a div, we need to set the parent elements to display:table, and the targeted child div to display:table-cell. Sure you could achieve such centering with absolute positoning, however, that would require you to know the dimensions of the img. This approach works for unknown dimensions.

HTML

<div class="container">
   <div class="box">
       <img src="http://placehold.it/200x200">
   </div>
</div>

CSS

html, body {
    height:100%;
    width:100%;
    margin:0px;
}
.container {
    display:table;
    vertical-align:middle;
    text-align:center;
    height:100%;
    width:100%;
}
.box {
    display:table-cell;
    vertical-align:middle;
}

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