I know you can draw with a canvas element, I just wanted to know if it was possible to draw a triangle next to a link without using a canvas element? I just want a small < 16px down arrow.
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1My initial reaction is "no, CSS doesn't draw anything, it only styles, use an image background", but then I'm sure somebody would come along with some ingenious hack… :)deceze– deceze ♦2010-11-21 04:33:28 +00:00Commented Nov 21, 2010 at 4:33
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5 Answers
Here is my take on drawing a triangle in css. You can view it on JSFiddle. Have not done any browser testing (works in Chrome!)
The CSS is pretty simple:
.triangle{
display: block;
border-bottom: 16px solid transparent;
border-left: 16px solid red;
overflow: hidden;
position: absolute;
}
If you want it pointing in a different direction, just alter the borders. For example, the following will point the triangle downward:
.triangle{
display: block;
border: 16px solid transparent;
border-top: 16px solid red;
overflow: hidden;
position: absolute;
}
Edit: Works in latest IE, FF and Chrome.
Comments
Nope.
The closest you could get is by using an ASCII key, ↓ to be precise.
It produces an arrow like this ↓
Of course a background-image will do the trick, but that's quite obvious, innit? :)
Comments
U+25BC: Black Down-Pointing Triangle exists in Unicode. Here it is: ▼
You could use this CSS to apply it:
a:before {
content: "▼";
}
It's probably better to use a background-image though. That way, you would not depend on the existence of such special characters in the font the web browser uses, and it would show up in IE 6/7. For example:
a {
background-image: url("arrow.gif");
padding-left: 16px;
}
Comments
No. Just use a special ASCII character, &#darr;, no CSS required:
<span id = "down-arrow">&#darr;</span>
Comments
Here's my simple drawing for the triangle using CSS:
<div style="border: 11px solid transparent; border-right-color: rgba(0, 0, 0, 0.25);"></div>
If you need to change the direction, just replace border-right-color with border-direction-color.
And maybe you use position: absolute; and margin-top and margin-left properties to set the position.
