Declaration CSS–my-color: #ff0080; We start with two dashes (–) to define a custom property (the official name for a CSS variable). Then, we give our variable a descriptive name (my-color in this case). Think of this name as your unique label. Finally, we assign a value (#ff...
Normally when you write a declaration in CSS, you write the property (e.g.,background-color) followed by a value (e.g.,green). This declaration is assigned to aCSS selector, like so: div { background-color: green; } Before CSS variables, this was the only way to write...
Declaration values can also be nested. In other words, you can use a variable as the fallback value for the var function: body { background-color: var(--books-bg, var(--arts-bg)); } In the CSS above, if --books-bg is defined, the background color will be set to the value of...
Permits the declaration and usage of cascading variables in stylesheets.Chrome ❌ 4 - 47: Not supported ❌ 48: Disabled by default ✅ 49 - 135: Supported ✅ 136: Supported ✅ 137 - 139: Supported Edge ❌ 12 - 14: Not supported ◐ 15: Partial support ✅ 16 - 134: ...
In Sciter this is pretty much about the same feature set as defined in CSS Variables Working Draft but with slightly different syntax: Declaration of the variable: body { var(foo): #f00; /* declaring variable with name "foo" having color value */ color: var(foo,#000); /* using the...
(declaration) => boolean|'computed': function/callback to programmatically return whether preserve the respective declaration variables(default:{}) Define an object map of variables in JavaScript that will be declared at the:rootscope. Can be a simple key-value pair or an object with avalueproper...
app.css @import "tailwindcss"; @theme { --color-mint-500: oklch(0.72 0.11 178); } Now you can use utility classes like bg-mint-500, text-mint-500, or fill-mint-500 in your HTML: HTML <!-- ... --> Tailwind also generates regular CSS variables for your theme variables so ...
Let suppose, if you want to declare three variables in which two are pointers and one is not a pointer variable, we can declare them in a single line declaration statement. Consider the following declaration: int *ptr_a,*ptr_b,c;
They’re loosely parsed at declaration time, but error handling isn’t done until they’re used in a noncustom property. Their values are referenced via the function var(--name), which can be used in any CSS property. The var() function also supports a second argument, a fallback in ...
Currently, the lexer throws an error if any part of a declaration value contains a variable reference (i.e., var(--bg-color)). Example: a { --my-color: red; color: var(--my-color) } Throws the error: Error: Matching for a tree with var() is not supported Proposal I'd like...