How to use CSS3 to achieve an irregular shape background

In web design, in order to attract users' attention, we usually spend a lot of time and energy creating various gorgeous effects. The irregular shape background, as one of them, can not only increase the artistic sense of the page, but also make the user's eyes shine and leave a deep impression. The CSS3 irregular shape background makes it easier and more flexible to create these dazzling effects. Let’s take a look at its beauty.

1. What is CSS3 irregular shape background?

In CSS3, various irregular-shaped backgrounds can be easily realized through attributes such as border-radius, transform and clip-path. Irregular-shaped backgrounds can make web pages look more unique. They are different from traditional rectangular, circular or oval backgrounds, but more varied and flexible. This background method can be used in various scenarios, including page banners, buttons, cards, etc.

2. How to implement CSS3 irregular shape background?

1. border-radius:

The border-radius property can be used to create a rounded border. Irregular shapes can be achieved by setting the radius of one of the corners to 0. background. For example:

.box{
  border-radius: 30px 20px 0 0;
}

In this way, you can create an irregular-shaped background with 30px rounded corners in the upper right and upper left corners, and 20px rounded corners in the lower right and lower left corners.

2. transform: The

transform attribute can be used to 2D or 3D transform an element. Various complex irregular shapes can be easily realized through transformations such as scale, rotate, translate and skew. For example, to make a diamond-shaped background, you can do this:

.box{
  width: 100px;
  height: 100px;
  transform: rotate(45deg);
}

In this way, a 45-degree rotation is applied to the original rectangular box, and a diamond-shaped background is obtained.

3. clip-path:

The clip-path attribute can be used to define the clipping path of an element and cut out unnecessary parts to achieve irregular shapes. background. For example, to make a regular hexagonal background, you can do this:

.box{
  width: 100px;
  height: 100px;
  clip-path: polygon(
    50% 0%,
    100% 25%,
    100% 75%,
    50% 100%,
    0% 75%,
    0% 25%
  );
}

In this way, you can get a regular hexagonal background composed of six vertices.

3. Application scenarios of irregular-shaped backgrounds

1. Page banner:

Place an eye-catching banner at the top of the website to attract users Attention, the irregular shape background can make this banner stand out more. By making a unique background shape, you can catch the user's eye and get them interested in the website.

2. Button:

Button is one of the commonly used elements in web page interaction. In design, by making a unique irregular-shaped button, the user's user experience can be increased. CTR. You can make your buttons more unique and attractive by implementing irregular shaped backgrounds using CSS3.

3. Card:

Card is a layout method often used in modern website design. By using irregular shape background, the card can be made more vivid and rich. Changing the corners of some cards into irregular shapes can make the page more colorful.

4. Conclusion

CSS3 irregular shape background brings new possibilities to web design. By using properties such as border-radius, transform and clip-path, you can easily create Various unique effects. In web design, irregular-shaped backgrounds can be used in various scenarios to improve the artistic sense and user experience of the page. Let's take advantage of these wonderful features to give users a better web experience.

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