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Course Introduction：Creating a CSS timeline requires only HTML and CSS, no JavaScript required; 2. Use structured HTML containing time points and content; 3. Draw the central vertical line on the container through the ::before pseudo-element; 4. Use flexbox layout and positioning to control the arrangement of content on the left and right; 5. Add circular marking points for each time point; 6. Implement responsive design through media query, arrange the content on the left side and adjust the timeline position on the small screen; finally realize a beautiful and responsive vertical timeline, and is displayed with multiple devices.

2025-08-01 comment 0  958

Course Introduction：Rotating Text Vertically with CSSAchieving cross-browser vertical text rotation requires browser-specific solutions. For browsers supporting CSS3...

2024-12-18 comment 0  1114

Course Introduction：CSS3 Transforms in IE9: Rotation This article aims to solve the problem of rotating elements in IE9. The problem is in the design, we need a vertical element. Although...

2024-11-03 comment 0  1066

Course Introduction：When cropping videos in PremierePro, you should use the "Crop" function in "Motion". The specific steps are as follows: 1. Select the video clip on the timeline and open the "EffectControls" panel; 2. Expand the "Motion" option, click "Crop" and drag the four-direction slider to crop; 3. If the picture becomes smaller after cropping, adjust the screen to enlarge the screen; 4. You can adjust the screen position with "Position" to optimize the composition; 5. When cropping in batches, you can achieve unified settings by copying and pasting properties. Cropping will not change the resolution and scale, but excessive cropping may lead to black edges, so you need to pay attention to symmetrical operations or appropriate scaling. Practical applications include adapting horizontal and vertical screen ratios

2025-07-03 comment 0  863

Course Introduction：To create a CSS-only animation timeline, you need to first build a semantic HTML structure, and each event is represented by a div containing dots and content; 2. Use Flexbox layout and pseudo-elements to create a centered vertical line, and use @keyframes to define fadeInUp animation to achieve a cascaded entry effect from bottom to top; 3. Use animation-delay item by item to achieve cascaded entry effect, and optionally add alternating content alignment on left and right; 4. Optional enhancements include using drawLine animation to simulate the line drawing process, hover effect and responsive adaptation; 5. Key points include using opacity and transform to ensure animation performance, adopt semantic tags and test mobile layout. In the end, nothing is achieved

2025-08-04 comment 0  382

Course Elementary  13824

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82359

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13178

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24628

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Course Elementary  27486

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.