One CSS text attribute:
color : #999999; /*Text color*/
font-family : Song Dynasty, sans-serif; /*Text font*/
font-size : 9pt; /*Text size*/
font-style:itelic; /*Text italic*/
font-variant:small-caps; /*Small font*/
letter-spacing: 1pt; /*Distance between words*/
line-height: 200%; /*Set line height*/
font-weight:bold; /*Bold text*/
vertical-align:sub; /*Subscript*/
vertical-align:super; /*Superscript */
text-decoration:line-through; /*Add strikethrough*/
text-decoration: overline; /*Add top line*/
text- decoration:underline; /*Add underline*/
text-decoration:none; /*Remove link underline*/
text-transform : capitalize; /*Capitalize the first word*/
text-transform : uppercase; /*English uppercase*/
text-transform : lowercase; /*English lowercase*/
text-align:right; /*Text right Alignment*/
text-align:left; /*Text left alignment*/
text-align:center; /*Text center alignment*/
text-align :justify; /*Text alignment*/
vertical-align attribute
vertical-align:top; /*Vertical alignment*/
vertical-align:bottom ; /*Align vertically downwards*/
vertical-align:middle; /*Align vertically in the middle*/
vertical-align:text-top; /*Align text vertically upwards*/
vertical-align:text-bottom; /*Align text vertically downward*/
2. CSS border blank
padding-top:10px; /*Top border Leave blank*/
padding-right:10px; /*Leave blank right border*/
padding-bottom:10px; /*Leave blank bottom border*/
padding-left:10px; /*Leave the left border blank
3. CSS symbol attributes:
list-style-type:none; /*No numbering*/
list-style-type:decimal; /*Arabic numerals*/
list-style-type:lower-roman; /*Lowercase Roman numerals*/
list-style-type:upper -roman; /*Uppercase Roman numerals*/
list-style-type:lower-alpha; /*Lowercase English letters*/
list-style-type:upper-alpha; / *Capital English letters*/
list-style-type:disc; /*Solid circular symbol*/
list-style-type:circle; /*Hollow circular symbol*/
list-style-type:square; /*Solid square symbol*/
list-style-image:url(/dot.gif); /*Picture-style symbol*/
list-style-position: outside; /*convex row*/
list-style-position:inside; /*indent*/
4. CSS background style:
background-color:#F5E2EC; /*Background color*/
background:transparent; /*Perspective background*/
background-image: url(/image/ bg.gif); /*Background image*/
background-attachment : fixed; /*Watermark fixed background*/
background-repeat : repeat; /*Repeat arrangement - web page default */
background-repeat : no-repeat; /*No repeat arrangement*/
background-repeat : repeat-x; /*Repeat arrangement on the x-axis*/
background-repeat : repeat-y; /*Repeat the arrangement on the y-axis*/
Specify the background position
background-position : 90% 90%; /*Background image x and y Axis position*/
background-position : top; /*Align upward*/
background-position : buttom; /*Align downward*/
background- position : left; /*Align left*/
background-position : right; /*Align right*/
background-position : center; /*Align center*/
5. CSS connection attributes:
a /*All hyperlinks*/
a:link /*Hyperlink text format*/
a:visited /*Browsed link text format*/
a:active /*Format of pressed link*/
a:hover /*Mouse to link*/
Mouse cursor style:
Link finger CURSOR: hand
crosshair cursor: crosshair
arrow pointing down cursor: s-resize
cross arrow cursor :move
Arrow to the right cursor:move
Add a question mark cursor:help
Arrow to the left cursor:w-resize
Arrow to the up cursor :n-resize
The arrow points to the upper right cursor:ne-resize
The arrow points to the upper left cursor:nw-resize
Text I-type cursor:text
Arrow diagonally lower right cursor:se-resize
Arrow diagonally lower left cursor:sw-resize
Funnel cursor:wait
Cursor pattern (IE6) p {cursor:url( "Cursor file name.cur"),text;}
6. CSS border list:
border-top: 1px solid #6699cc; /*Top border*/
border-bottom : 1px solid #6699cc; /*bottom border*/
border-left : 1px solid #6699cc; /*Left border line*/
border-right : 1px solid #6699cc; /*Right border line*/
The above is the recommended writing method, But you can also use the conventional method as follows:
border-top-color : #369 /*Set the top color of the top border*/
border-top-width: 1px /*Set the top Border top width*/
border-top-style: solid/*Set the border top style*/
Other border styles
solid /*Solid line Frame*/
dotted /*dotted frame*/
double /*double frame*/
groove /*three-dimensional convex frame*/
ridge /*three-dimensional relief frame*/
inset /*concave frame*/
outset /*convex frame*/
7. CSS form application:
Text box
Button
Checkbox
Select button
Multi-line text box
Drop-down menu option 1 Option 2
8. CSS border style:
margin-top:10px; /*upper border*/
margin-right:10px; /*right margin value* /
margin-bottom:10px; /*Lower margin value*/
margin-left:10px; /*Left margin value*/

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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.

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

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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.

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.

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

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


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