Why does the distance of DIV change when the border is removed_html/css

Home

Web Front-end

HTML Tutorial

Why does the distance of DIV change when the border is removed_html/css_WEB-ITnose

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 24, 2016 pm 12:11 PM

I added a headerDIV block to the container. This block has a border, and the distance from the edge of the container is exactly according to the margin value I set. However, as soon as I remove the border of the header, the header block will disappear. There is a certain distance from the upper border of the container. I don’t know why. Please give me some advice!

#container{	width:820px; height:100%;	border:1px solid #b58505;	margin:0px auto;}.top{	width:100%; height:52px; font-size:18px;	text-align:right; line-height:40px;	padding-right:20px; margin-left:-10px; margin-top:-10px;	background:url(../images/top.gif) repeat-x;}.top a:hover{ color:red; text-decoration:underline;}.top #srh{ 	vertical-align:top; margin-top:10px;	width:150px; height:18px; border:1px solid gray;}#header{	width:812px; height:303px;	border:1px solid gray;	margin:2px auto 0px;	background:url(../images/header_bg.png) no-repeat center;}

Reply to discussion (solution)

This should be the same without borders and empty spaces , if it is different, it only differs by the thickness of the border

Is it because you can’t see where the boundary is when you remove the border, so you think it is too empty?

There are many problems. I won’t go into detail. Except for the outermost layer, add a float:left; display:inline; to both the .top and #header layers. Try

Post pictures of the two effects. Look at

. There are many problems. I won’t go into details. Except for the outermost layer, add float:left; display:inline; to both .top and #header layers. Try
and it can be solved. But why is this? Woolen cloth?

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

What is the difference between an HTML tag and an HTML attribute?May 14, 2025 am 12:01 AM

HTMLtagsdefinethestructureofawebpage,whileattributesaddfunctionalityanddetails.1)Tagslike,,andoutlinethecontent'splacement.2)Attributessuchassrc,class,andstyleenhancetagsbyspecifyingimagesources,styling,andmore,improvingfunctionalityandappearance.

The Future of HTML: Evolution and TrendsMay 13, 2025 am 12:01 AM

The future of HTML will develop in a more semantic, functional and modular direction. 1) Semanticization will make the tag describe the content more clearly, improving SEO and barrier-free access. 2) Functionalization will introduce new elements and attributes to meet user needs. 3) Modularity will support component development and improve code reusability.

Why are HTML attributes important for web development?May 12, 2025 am 12:01 AM

HTMLattributesarecrucialinwebdevelopmentforcontrollingbehavior,appearance,andfunctionality.Theyenhanceinteractivity,accessibility,andSEO.Forexample,thesrcattributeintagsimpactsSEO,whileonclickintagsaddsinteractivity.Touseattributeseffectively:1)Usese

What is the purpose of the alt attribute? Why is it important?May 11, 2025 am 12:01 AM

The alt attribute is an important part of the tag in HTML and is used to provide alternative text for images. 1. When the image cannot be loaded, the text in the alt attribute will be displayed to improve the user experience. 2. Screen readers use the alt attribute to help visually impaired users understand the content of the picture. 3. Search engines index text in the alt attribute to improve the SEO ranking of web pages.

HTML, CSS, and JavaScript: Examples and Practical ApplicationsMay 09, 2025 am 12:01 AM

The roles of HTML, CSS and JavaScript in web development are: 1. HTML is used to build web page structure; 2. CSS is used to beautify the appearance of web pages; 3. JavaScript is used to achieve dynamic interaction. Through tags, styles and scripts, these three together build the core functions of modern web pages.

How do you set the lang attribute on the tag? Why is this important?May 08, 2025 am 12:03 AM

Setting the lang attributes of a tag is a key step in optimizing web accessibility and SEO. 1) Set the lang attribute in the tag, such as. 2) In multilingual content, set lang attributes for different language parts, such as. 3) Use language codes that comply with ISO639-1 standards, such as "en", "fr", "zh", etc. Correctly setting the lang attribute can improve the accessibility of web pages and search engine rankings.

What is the purpose of HTML attributes?May 07, 2025 am 12:01 AM

HTMLattributesareessentialforenhancingwebelements'functionalityandappearance.Theyaddinformationtodefinebehavior,appearance,andinteraction,makingwebsitesinteractive,responsive,andvisuallyappealing.Attributeslikesrc,href,class,type,anddisabledtransform

How do you create a list in HTML?May 06, 2025 am 12:01 AM

TocreatealistinHTML,useforunorderedlistsandfororderedlists:1)Forunorderedlists,wrapitemsinanduseforeachitem,renderingasabulletedlist.2)Fororderedlists,useandfornumberedlists,customizablewiththetypeattributefordifferentnumberingstyles.

See all articles