•
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:
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:
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:
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:
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 is used to add lists into <ul> and <ol> elements?
<dt> <dd> <li><ul>
<li>http://coursesweb.net/html/</li>
<li>http://coursesweb.net/css/</li>
</ul>
Which value of the "display" property creates a block box for the content and ads a bullet marker?
block list-item inline-block.some_class {
display: list-item;
}Which instruction converts a JavaScript object into a JSON string.
JSON.parse() JSON.stringify eval()var obj = {
"courses": ["php", "javascript", "ajax"]
};
var jsonstr = JSON.stringify(obj);
alert(jsonstr); // {"courses":["php","javascript","ajax"]}Indicate the PHP class used to work with HTML and XML content in PHP.
stdClass PDO DOMDocument$strhtml = '<body><div id="dv1">CoursesWeb.net</div></body>';
$dochtml = new DOMDocument();
$dochtml->loadHTML($strhtml);
$elm = $dochtml->getElementById("dv1");
echo $elm->nodeValue; // CoursesWeb.net