CSS web page layout introductory tutorial 9: Use CSS to design website navigation-horizontal navigation_Basic tutorial

Website navigation is the most important element of the website and is the most direct and convenient tool that the website provides to users to access website content. Website navigation mainly consists of the third form of horizontal navigation, vertical navigation, drop-down and multi-level menu navigation.
Horizontal navigation As a portal website design, the main navigation generally uses horizontal navigation. Since there is a lot of text at the bottom of the portal website, and each channel has a unique style distinction, it is the most ideal choice to fix an area at the top to design a navigation with a unified style that does not take up too much space. Most domestic portals adopt this method. form.
Vertical navigation is no longer popular in the design of portal websites. Vertical navigation is more inclined to express product classification.
Drop-down navigation is mainly used for websites with complex functions. It is also common on some websites.

Generally speaking, the core goal of navigation is to design a simple and fast operation entrance to help users quickly reach the corresponding content on the website. The design should design a reasonable navigation form according to the needs of the website type and content. . Here we will use CSS to design three commonly used navigation forms to see how CSS implements these styles.

Horizontal navigation

Using css layout to create navigation is very different from table layout. In addition to page layout, the most important thing about a website is the navigation part. Here The first step should be to create a simple and clear navigation system, and then complete the final navigation with design effect step by step. Here we first conceived the primary design style at the top, and the navigation is a form of horizontal navigation. Before starting the CSS navigation production, let us first recall the traditional table-format navigation production. If the table format has implemented the navigation form as shown in the figure, you need to design a table. The navigation currently consists of 7 columns. You need to design a table with 1 row and 7 columns, insert navigation text in each cell label, and then center the text of each cell. You can take a look at the implementation code:

You can see it through the code So, set the width and height of the table, and set the border margin to 0 to hide the table lines, and then set the text alignment of the cell to the center to achieve simple navigation. The key point here is to design a A data table similar to the navigation mode, which associates the navigation with each grid of data. Let’s take a look at how to design the same navigation system using css.
The core of DIV CSS layout is to realize the separation of performance and content. Let’s first understand the code writing method of the content part: