html - DIV and TEXTAREA elements interpreted 'width' CSS attribute differently? -


was bit confused when next html code

<div>some text insize div</div> <textarea>some text insize textarea</textarea>

with css

div {     background-color: #eee;     width: 25em; }  textarea {     width: 25em; }

displayed div , textarea different width... reason?

jsfiddle example here

ems measured based on font-size , each of elements have different font size. div font-size: 16px , textarea font-size: 11px @ least default in chrome.

if set elements same font-size same width. remaining difference because textarea has padding , border too.

if set css this, elements same size:

div {     background-color: #eee;     width: 25em;     font-size: 16px;     box-sizing: border-box; }  textarea {     width: 25em;     font-size: 16px;     box-sizing: border-box; }

because both have same font-size, , widths based on border-box instead of content-box, padding , borders included in width.

references:


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