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How to use the calc() function in CSS

不言Original: 2018-12-05 17:44:137587browse

The How to use the calc() function in CSS() function in CSS can be used to dynamically How to use the calc() function in CSSulate length values, such as width, height, and font size. Let’s take a look at CSS below. The specific usage of the How to use the calc() function in CSS() function.

The How to use the calc() function in CSS function of CSS is a function that can use How to use the calc() function in CSSulation formulas for layout and setting size specifications.

How to use the How to use the calc() function in CSS() function in CSS

Usually the layout and size are set like 100px and 3em, but you can use the How to use the calc() function in CSS function to use 100px 50px or 3em - 1em, etc. to perform arithmetic operations. set up.

First let’s take a look at how to use the How to use the calc() function in CSS() function?

We use the How to use the calc() function in CSS function to set the size by specifying the How to use the calc() function in CSSulation formula, such as:

width: How to use the calc() function in CSS(100px + 50px);

font-size: How to use the calc() function in CSS(3em + 1em);

Let’s take a look below Specific example

The code is as follows

Create How to use the calc() function in CSS.html and write the following HTML file

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>How to use the calc() function in CSS的用法</title>
    <style type="text/css">
      body {
        width: 800px;
      }
      .How to use the calc() function in CSS_div {
        width: How to use the calc() function in CSS(100% - 500px);
        height: How to use the calc() function in CSS(100% - 500px);
        color: rgb(255, 0, 0);
      }
      .font {
        font-size: 3em;
      }
      .How to use the calc() function in CSS_font {
        font-size: How to use the calc() function in CSS(3em + 2em);
        color: rgb(255, 0, 0);
      }
    </style>
  </head>
  <body>
    <div>
      这是一个未使用How to use the calc() function in CSS的div。
    </div>
    <div class="How to use the calc() function in CSS_div">
      这是一个使用了How to use the calc() function in CSS的div。
    </div>
    <div class="font">
     这是设置了3em的div
    </div>
    <div class="How to use the calc() function in CSS_font">
      这是一个设置了How to use the calc() function in CSS(3em+2em)的div
    </div>
  </body>
</html>

The above code will be displayed in the browser as follows

How to use the calc() function in CSS

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