CSS Fundamentals

Last updated: 2025-09-25 02:02:49

CSS (Cascading Style Sheets)

CSS is used to style and layout web pages.

Basic Syntax

selector {
    property: value;
}

Common Selectors

• Element: p { color: red; }
• Class: .classname { color: blue; }
• ID: #idname { color: green; }
• Universal: * { margin: 0; }

Box Model

.box {
    width: 300px;
    padding: 20px;
    border: 1px solid #000;
    margin: 10px;
}

Flexbox

.container {
    display: flex;
    justify-content: center;
    align-items: center;
}