![]() The body tag returns the selected variable color depending on the class assigned to the :root.Īt this point we can use JavaScript to determine the class for the :root tag and, as promised, we’ll We can assign colors to the body like this: Now we’ll assign our custom properties to other elements–this is what allows the colors to change depending on the (e.g., color: var(-main-color) )” - MDNĬustom properties are usually defined inside the :root pseudo-class, which allows us to target the Įlement tag. In this example, we defined the variables for a default, light and dark theme for the They are set usingĬustom property notation (e.g., -main-color: black ) and are accessed using “Custom properties contain specific values to be reused throughout a document. We define our theme colors using CSS custom We can style the buttons to achieve the rounded Most of the work with our toggle implementation is done using CSS. I also set the title attribute to provide context for screen readers. Įlements for the sun and moon to represent light and dark themes, but you can replace them with whateverĬontent you prefer. How to Create a Dark Mode Toggle HTMLįirst, we’ll initialise two buttons to allow us control light and dark mode. We’ll be building this first, then expanding on ![]() Let’s take a look at the demo for a light/dark mode toggle switch. Remember which of our color schemes they’ve selected. We’ll also use media queries to display dark or light mode depending on a user’s preferences, and local storage to Themes as we’d like light mode, dark mode, 90’s neon mode, you name it! Then we’ll expand on that to implement as many First, we’ll implement a simple light/dark mode toggle switch.
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