• Triangle Down         • Triangle Left              • Triangle Right
  • Triangle Top-Left     • Triangle Top-Right     • Triangle Bottom-Left
  • Triangle Bottom-Right

Various triangle shapes with CSS, created only with a sinlge DIV tag and a few CSS properties.

Triangle Up

Code:
<style type="text/css">
#triangleup {
 width: 0;
 height: 0;
 border-left: 50px solid transparent;
 border-right: 50px solid transparent;
 border-bottom: 100px solid blue;
}
</style>

<div id="triangleup"><br/><br/><br/>>UP</div>
Demo:



UP

Triangle Down

Code:
<style type="text/css">
#triangledown {
 width: 0;
 height: 0;
 border-left: 50px solid transparent;
 border-right: 50px solid transparent;
 border-top: 100px solid blue;
}
/* For the content in triangle */
#triangledown div{ margin:-85px 0 0 -20px; }
</style>

<div id="triangledown"><div>DOWN</div></div>
Demo:
DOWN

Triangle Left

Code:
<style type="text/css">
#triangleleft {
 width: 0;
 height: 0;
 border-top: 50px solid transparent;
 border-bottom: 50px solid transparent;
 border-right: 100px solid blue;
}
/* For the content in triangle */
#triangleleft div{ margin:-10px 0 0 25px; }
</style>

<div id="triangleleft"><div>LEFT</div></div>
Demo:
LEFT

Triangle Right

Code:
<style type="text/css">
#triangleright {
 width: 0;
 height: 0;
 border-top: 50px solid transparent;
 border-bottom: 50px solid transparent;
 border-left: 100px solid blue;
}
/* For the content in triangle */
#triangleright div{ margin:-10px 0 0 -85px; }
</style>

<div id="triangleright"><div>RIGHT</div></div>
Demo:
RIGHT

Triangle Top-Left

Code:
<style type="text/css">
#triangletopleft {
 width: 0;
 height: 0;
 border-top: 100px solid blue;
 border-right: 50px solid transparent;
}
</style>

<div id="triangletopleft">...</div>
Demo:
...

Triangle Top-Right

Code:
<style type="text/css">
#triangletopright {
 width: 0;
 height: 0;
 border-top: 100px solid blue;
 border-left: 50px solid transparent;
}
</style>

<div id="triangletopright">...</div>
Demo:
...

Triangle Bottom-Left

Code:
<style type="text/css">
#trianglebottomleft {
 width: 0;
 height: 0;
 border-bottom: 100px solid blue;
 border-right: 50px solid transparent;
}
</style>

<div id="trianglebottomleft">...</div>
Demo:
...

Triangle Bottom-Right

Code:
<style type="text/css">
#trianglebottomright {
 width: 0;
 height: 0;
 border-bottom: 100px solid blue;
 border-left: 50px solid transparent;
}
</style>

<div id="trianglebottomright">...</div>
Demo:
...

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which tag create a highlighted bolded text?
<q> <strong> <em>
<p>Address: <strong>http://CoursesWeb.net/</strong> - Tutorials.</p>
Which of these CSS codes displays the text bolded?
text-size: 18px; font-style: italic; font-weight: 800;
#id {
  font-weight: 800;
}
What JavaScript function can be used to call another function multiple times, to a specified time interval?
setInterval() setTimeout() push()
function someFunction() { alert("CoursesWeb.net"); }
setInterval("someFunction()", 2000);
Click on the correctly defined variable in PHP.
var vname = 8; $vname = 8; $vname == 8;
$vname = 8;
echo $vname;
Triangles with CSS

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