How I Learned to Use CSS Transitions Today📘

[Lomanu4]

Today, I dived into the world of CSS transitions, and I was excited to see how a small piece of code can make a website feel more smooth and interactive. In this post, I’ll share what I learned and how transitions work in CSS.

What Are CSS Transitions?


CSS transitions allow you to change property values smoothly (over a given duration) instead of instantly. For example, instead of a button changing color immediately when hovered, transitions let that color change happen gradually.

Basic Syntax


Here’s the basic syntax of a CSS transition:


selector {
transition: property duration timing-function delay;
}

• property: The CSS property you want to animate (e.g., background-color, width, transform)
• duration: How long the transition takes (e.g., 0.5s, 1s)
• timing-function (optional): The speed curve (e.g., ease, linear, ease-in, ease-out, ease-in-out)
• delay (optional): The delay before the transition starts

Example: Button Hover Effect


<button class="btn">Hover Me</button>

.btn {
background-color: #4CAF50;
color: white;
padding: 10px 20px;
border: none;
transition: background-color 0.3s ease;
}

.btn:hover {
background-color: #2E7D32;
}

When you hover over the button, the background color changes smoothly from green to dark green in 0.3 seconds.

Transitioning Multiple Properties


You can transition multiple properties like this:


.box {
width: 100px;
height: 100px;
background-color: red;
transition: width 0.5s, background-color 0.3s;
}

.box:hover {
width: 200px;
background-color: blue;
}
Tips I Learned

• Only animatable properties can be transitioned (e.g., color, background-color, transform, opacity, width, height, etc.)
• Use transition: all if you want all animatable properties to transition — but use it carefully, as it can affect performance.
• Combine transitions with pseudo-classes like :hover, :focus, or :active for better interactivity.

Final Thoughts


Learning CSS transitions opened my eyes to how much they can improve the user experience of a website. They're simple to use but make a big impact visually. I’m excited to explore more about animations using @keyframes and the animation property next!

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