Kurssisisältö

Advanced CSS Techniques

1. Getting Started with Advanced CSS

Course Overview and Learning Outcomes Course Focus Topics Covered in This Course Success Tips for Learning Advanced CSS

2. Mastering CSS Positioning

Understanding CSS Positioning Relative Positioning Explained Challenge: Apply Relative Positioning Absolute Positioning in CSS Challenge: Implement Absolute Positioning Fixed Positioning for Sticky UI Elements Challenge: Work with Fixed Positioning Sticky Positioning for Dynamic Layouts Challenge: Master Sticky Positioning Managing the Stacking Order of Elements Challenge: Control Z-Index and Overlapping Element Handling Content Overflow in CSS

3. Creating Smooth Transitions in CSS

Introduction to CSS Transitions Choosing the Right Transition Properties Setting Transition Duration for Effects Customizing Transitions with Timing Functions Adding Delay to CSS Transitions Combining Transitions Challenge: Add a Smooth Transition Effect

4. Advanced CSS Animations

What Are CSS Animations?Defining Animation Duration and Timing Controlling Animation Iteration and Direction Managing Animation States in CSS Composing Multiple Animations Challenge: Implement CSS Animation

5. Transforming Elements with CSS

Introduction to CSS Transformations Scaling Elements Rotating Elements in 2D and 3D Challenge: Apply Scaling & Rotation Translating Elements for Dynamic Effects Skewing Elements for Unique Designs Using Perspective for Depth Effects Challenge: Combine Translation and Skewing

6. Responsive Web Design in CSS

What Is Responsive Web Design?Using @media Queries for Adaptive Styles Building Flexible Layouts for Different Screen Sizes Inspecting Web Pages Challenge: Inspecting Adaptive Layout

7. CSS Preprocessors and Sass

Introduction to CSS Preprocessors Understanding Sass Syntax for Better CSS Using Sass Variables for Reusable Styles Performing Calculations with Sass Numeric Operators Nesting Styles for Cleaner Code Extending Styles with the @extend Directive Organizing Sass Files for Scalable Projects

Performing Calculations with Sass Numeric Operators

We can perform mathematical calculations on numbers. Sass supports all basic arithmetics like addition (+), subtraction (-), multiplication (*), and division (/).

width: 100px + 10px; /* 110px */
height: 100% - 20%; /* 80% */

For addition and subtraction, it is important to have values with the same units (e.g., %, px).

animation-duration: 200ms * 3; /* 600ms */
flex-basis: 100% / 4; /* 25% */

For multiplication and division, it is crucial to have one unitless value. Sass can't calculate the division of pixels or percentages.

Mathematical operations with variables

We can easily involve variables in the calculations if the variable has a valid value.

Let's imagine that we need to add a double margin to the item:

$defaultMargin: 30px;

.item {
  margin: $defaultMargin * 2; /* Result is 60px */
}

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Osio 7. Luku 4

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