about box-sizing css

[taragrg]

*{
-moz-box-sizing:border-box;
-webkit-box-sizing:border-box;
-box-sizing:border-box;
}

div{
width:900px;
}

my Question is ok i add a padding-right than it wont effect the width of the div ok its fine but when i add margin-right the size gets increased does box-sizing doesnot work for margin or what is it how do a make it not chance on margin too Thanks

[taragrg]

ok thanks @joshuanhibbert

[TreeTopStudio]

I found [this](https://css-tricks.com/the-css-box-model/ “”) helpful..

[Author]

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