border-right-width
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since â¨2015å¹´7æâ©.
CSS å±æ§ border-right-width ç¨äºè®¾ç½®å
ç´ å³è¾¹æ¡ç宽度ã
å°è¯ä¸ä¸
border-right-width: thick;
border-right-width: 2em;
border-right-width: 4px;
border-right-width: 2ex;
border-right-width: 0;
<section class="default-example" id="default-example">
<div class="transition-all" id="example-element">
This is a box with a border around it.
</div>
</section>
#example-element {
background-color: palegreen;
color: #000;
border: 0 solid crimson;
padding: 0.75em;
width: 80%;
height: 100px;
}
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css
/* å
³é®åå¼ */
border-right-width: thin;
border-right-width: medium;
border-right-width: thick;
/* <length> å¼ */
border-right-width: 10em;
border-right-width: 3vmax;
border-right-width: 6px;
/* å
¨å±å
³é®å */
border-right-width: inherit;
border-right-width: initial;
border-right-width: revert;
border-right-width: revert-layer;
border-right-width: unset;
å¼
<line-width>-
å®ä¹è¾¹æ¡ç宽度ï¼æç¡®çéè´
<length>å¼æè æ¯å ³é®åãå¦æå®æ¯å ³é®åï¼åå¿ é¡»æ¯ä»¥ä¸å¼ä¹ä¸ï¼thinmediumthick
å¤æ³¨ï¼å 为è§è没æå®ä¹æ¯ä¸ªå
³é®å表示çç¡®å宽度ï¼æ以使ç¨å
¶ä¸çæ个å
³é®åæå¾å°ç精确ç»ææ¯ç¹å®äºå®ç°çãä¸è¿ï¼å®ä»¬é常éµå¾ª thin ⤠medium ⤠thick ç模å¼ï¼ä¸è¿äºå¼å¨åç¬çææ¡£ä¸æ¯åºå®ä¸åçã
å½¢å¼å®ä¹
| åå§å¼ | medium |
|---|---|
| éç¨å ç´ | ææå
ç´ . It also applies to ::first-letter. |
| æ¯å¦æ¯ç»§æ¿å±æ§ | å¦ |
| 计ç®å¼ | ç»å¯¹é¿åº¦ï¼æå¦æ border-right-style çå¼ä¸º none æ hiddenï¼å为 0 |
| å¨ç»ç±»å | a length |
å½¢å¼è¯æ³
border-right-width =
<line-width>
<line-width> =
<length [0,â]> |
thin |
medium |
thick
示ä¾
è¾¹æ¡å®½åº¦å¯¹æ¯
HTML
html
<div>å
ç´ 1</div>
<div>å
ç´ 2</div>
CSS
css
div {
border: 1px solid red;
margin: 1em 0;
}
div:nth-child(1) {
border-right-width: thick;
}
div:nth-child(2) {
border-right-width: 2em;
}
ç»æ
è§è
| Specification |
|---|
| CSS Backgrounds and Borders Module Level 3 # border-width |
æµè§å¨å ¼å®¹æ§
åè§
- å
¶ä»ä¸ border-width ç¸å
³ç CSS å±æ§ï¼
border-bottom-widthãborder-left-widthãborder-top-widthåborder-widthã - å
¶ä»ä¸ border-right ç¸å
³ç CSS å±æ§ï¼
borderãborder-rightãborder-right-styleåborder-right-colorã