css3: translateX to center element horizontally

user_419425 0
Viewed 46805

I'm trying to center horizontally an element: jsfiddle

<div id="parent">
    <div id="child">
</div>

On the child I have now the following css which doesn't center:

transform: translateX(50%);

Unfortunately the 50% is taken from the #child and not the parent. Is there a way to center this element using transforms (I know I can center it using, for example 'left')?

Here is the full listing of css

#parent {
    width: 300px
    height: 100px;
    background-color: black;
    border: 1px solid grey;
}
#child {
    height: 100px;
    width: 20px;
    -webkit-transform: translateX(50%);
    background-color:red;
}
centering transform css html
4 Answers

You can do it by display flex and justify-content is center.

Example: http://jsfiddle.net/ugw9o3qp/1/

#parent {
    display: flex;
    justify-content: center;
    width: 300px;
    height: 100px;
    background-color: black;
    border: 1px solid grey;
}
#child {
    height: 100px;
    width: 20px;
    background-color:red;
}
user_102659350

If you don't want to set the width of child-element

#child {
    display: flex;
    justify-content: center;
}
user_18917580
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