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    - CSS- What is CSS- Terminologies
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    1 min readOctober 29, 2026

    CSS

    css
    web

    What is CSS

    • CSS stands for cascading style sheet
    • it's a style sheet language not a programming language nor a markup language

    Terminologies

    // a ruleset: a set of css properties associated with a css selector
    .hi {margin-block:1px;}
    // a selector
    .hi
    // a declaration = property: value;
    margin-block:1px;
    // a property
    margin-block
    // a value
    1px
    // a declaration block
    {margin-block:1px;color:red;}
    // a statement = a ruleset, @font-face, or @import, ...etc.
    @import url("imported-styles.css")
    @font-face {font-family:"Trickster";}
    h1{
      margin-block:2rem;
    }