Summarize the skills of css setting style

CSS is the abbreviation of Cascading Style Sheets, which is used to define and design the style and layout of websites. CSS can make a website more beautiful and easier to read, while also increasing the user experience. Here are some common uses and techniques of CSS.

1. Using selectors

CSS selectors are used to select HTML elements to which styles are to be applied. There are the following selectors:

• Tag selector: selects all elements with a specific tag
• ID selector: selects elements with a specific ID attribute
• Class Selector: Select elements with a specific class name
• Descendant selector: Select descendant elements of a certain element
• Group selector: Select multiple elements at the same time

For example, to set the font size to 14px for all paragraph elements, you can use the following code:

p {
  font-size: 14px;
}

2. Using the box model

The box model is the most basic in CSS One of the concepts refers to the fact that HTML elements are composed of four parts: content, padding, borders and margins. In CSS, you can adjust the layout and appearance of elements by setting these four parts.

For example, to set a div element with a blue border, 10 pixels of padding, and 20 pixels of padding, you would use the following code:

div{
  border: 1px solid blue;
  padding: 10px;
  margin: 20px;
}

3. Use text styles

CSS can be used to style text, such as font, color, line height, alignment, etc. The following are some commonly used text styles:

• font-family: Set the font
• color: Set the text color
• line-height: Set the line height
• text-align: Set text alignment
• text-decoration: Set text decorations such as underlines and strikethroughs

For example, to center all paragraphs and use the font Helvetica and black color, you can use the following code:

p{
  font-family: Helvetica;
  color: black;
  text-align: center;
}

4. Use responsive design

Responsive design means that the website can automatically adapt according to the screen size and resolution of the accessing device Layout and style. This can improve user experience and is also a trend in modern website design.

In CSS, you can use media queries to implement responsive design. Media queries can be styled differently based on the device's screen size and orientation.

For example, to hide an element on screens smaller than 800 pixels, you would use the following code:

@media screen and (max-width: 800px){
  .element{
    display:none;
  }
}

5. Using CSS Framework

CSS Framework is a set of predefined CSS rules and styles that can make website development faster and simpler. Common CSS frameworks include Bootstrap and Foundation.

Using a CSS framework can avoid writing CSS styles from scratch and make website development more efficient. It also ensures that the website has better compatibility on various devices and browsers.

Summary

CSS is an integral part of website design. Through techniques such as selectors, box models, text styles, responsive design, and CSS frameworks, you can make your website more beautiful, easier to read, and easier to access.

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