html - font-size changes margin, why? -


this question has answer here:

i'm creating side scrolling div mobile devices , have run odd problem. if run code below font-size commented out body style there margin added @ sides of .scroll_item. set font-size 0 , works fine. i'm trying avoid setting font size in .scroll_item style , rather inherit comes previous in page.

why happening , there way correct without setting font-size 0?

body {    background-color: gray;    padding: 0;    margin: 0;    overflow: hidden;    /*font-size: 0;*/  }  #scroll_cont {    height: auto;    background-color: red;    margin: 0;    padding: 0;    white-space: nowrap;    overflow: auto;  }  .scroll_item {    width: 120px;    height: 120px;    padding: 5px;    margin: 2px;    background-color: blue;    box-sizing: border-box;    white-space: normal;    display: inline-block;    font-size: 20px;    color: white;  }
<html>    <head>    <title>side scroll test</title>    <meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1, user-scalable=no">    </head>    <body>    <div id="scroll_cont">      <div class="scroll_item">test1</div>      <div class="scroll_item">test2</div>      <div class="scroll_item">test3</div>      <div class="scroll_item">test4</div>      <div class="scroll_item">test5</div>    </div>  </body>    </html>

this common problem devs have inline-blocks. inline-block acts little block, little inline. mean? block you're thinking should act right now. however, inline means acts sort of text. , 2 inline elements broken line break white space between them automatically.

for instance:

<span>i</span> <span>don't</span> <span>have</span> <span>to</span> <span>space</span> <span>these!</span>

this render white space automatically though didn't include any. kinda dumb, right? thats how goes. there number of hacks , tricks avoiding concern. set margin-right of around -4px on inline-block elements should stacked side side.
others use different display type table or flexbox. try floating them left , adding clearfix hack them. leave me comment if you're still stuck and/or check out chris coyier's solid post dilemma: https://css-tricks.com/fighting-the-space-between-inline-block-elements/


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