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July 24, 2023Reveal the power of CSS variables
July 24, 2023
By: Santiago
Let’s face it: managing CSS values can sometimes feel like you’re caught in a maze of repeated attributes, especially when you’re working without a supportive library. And heavens above! Talk about a daunting task when you need to change a single attribute across an entire website.
But wait, there’s hope! Enter the savior of your sanity: CSS variables. By using these nifty variables, you’ll save oodles of time, as changing a value once will automatically reflect wherever it’s been used. Like a scene from a fairytale!
Now, you’re probably thinking, “Alright, you’ve piqued my interest. But how does it work?â€
First things first: CSS variables can be global or local in scope. So, how do you create a variable? Simple! You declare it within the :root
selector.
For instance, let’s declare two global variables, --blue
and --white
. Afterward, we’ll use the var()
function to insert the variable values later in the style sheet:
:root {
--blue: #1e90ff;
--white: #ffffff;
}
.container {
color: var(--blue);
background-color: var(--white);
}
And voila! Your color and background color are set, just like that!
So why use var()
? Well, here are the three main benefits:
With var(), if you decide on a branding change, you only have to modify the variable value, ensuring that the change is uniformly reflected everywhere without missing a spot. Want to shift from a vibrant blue and white to something softer? Consider it done! You only need to change the variable values:
:root {
--blue: #6495ed;
--white: #faf0e6;
}
The magic of CSS variables ensures that these new values update across all HTML elements where they’re used, showcasing web design efficiency at its finest!
Let’s wrap it up: CSS variables are a must-have for web designers. They offer a streamlined, efficient way to manage and manipulate your CSS values. Whether you’re a CSS novice or a seasoned pro, adopting variables into your toolbox can significantly enhance your web design workflow.
Interested in more CSS mastery? Check out another one of our handy #bitstips articles: CSS nth-child Made Easy. A wealth of knowledge ready to be tapped awaits you!