CSS Rounded Corners

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CSS Rounded Corners

With the CSS border-radius property, you can give any element "rounded corners".

CSS border-radius Property

The CSS border-radius property defines the radius of an element's corners.

Tip: This property allows you to add rounded corners to elements!

Here are three examples:

1. Rounded corners for an element with a specified background color:

Rounded corners!

2. Rounded corners for an element with a border:

Rounded corners!

3. Rounded corners for an element with a background image:

Rounded corners!

Here is the code:

Example

#rcorners1 {
  border-radius: 25px;
  background: #73AD21;
  padding: 20px;
  width: 200px;
  height: 150px;
}

#rcorners2 {
  border-radius: 25px;
  border: 2px solid #73AD21;
  padding: 20px;
  width: 200px;
  height: 150px;
}

#rcorners3 {
  border-radius: 25px;
  background: url(paper.gif);
  background-position: left top;
background-repeat: repeat;
  padding: 20px;
  width: 200px;
  height: 150px;
}

Try it Yourself »

Tip: The border-radius property is actually a shorthand property for the border-top-left-radius, border-top-right-radius, border-bottom-right-radius and border-bottom-left-radius properties.

CSS border-radius - Specify Each Corner

The border-radius property can have from one to four values. Here are the rules:

Four values - border-radius: 15px 50px 30px 5px; (first value applies to top-left corner, second value applies to top-right corner, third value applies to bottom-right corner, and fourth value applies to bottom-left corner):

Three values - border-radius: 15px 50px 30px; (first value applies to top-left corner, second value applies to top-right and bottom-left corners, and third value applies to bottom-right corner):

Two values - border-radius: 15px 50px; (first value applies to top-left and bottom-right corners, and the second value applies to top-right and bottom-left corners):

One value - border-radius: 15px; (the value applies to all four corners, which are rounded equally:

Here is the code:

Example

#rcorners1 {
border-radius: 15px 50px 30px 5px;
background: #73AD21;
padding: 20px;
width: 200px;
  height: 150px;
}

#rcorners2 {
  border-radius: 15px 50px 30px;
background: #73AD21;
padding: 20px;
width: 200px;
height: 150px;
}

#rcorners3 {
  border-radius: 15px 50px;
  background: #73AD21;
  padding: 20px;
  width: 200px;
height: 150px;
}

#rcorners4 {
  border-radius: 15px;
background: #73AD21;
padding: 20px;
width: 200px;
  height: 150px;
}

Try it Yourself »

You could also create elliptical corners:

Example

#rcorners1 {
border-radius: 50px / 15px;
background: #73AD21;
padding: 20px;
  width: 200px;
  height: 150px;
}

#rcorners2 {
  border-radius: 15px / 50px;
  background: #73AD21;
padding: 20px;
  width: 200px;
  height: 150px;
}

#rcorners3 {
border-radius: 50%;
background: #73AD21;
padding: 20px;
  width: 200px;
  height: 150px;
}

Try it Yourself »