CSS Cheat Sheet

* { margin: 0; }

div { color: red; }

.class-name { color: blue; }

#id-name { color: green; }

div p { color: purple; }

div > p { color: orange; }

display: flex;

flex-direction: row | column;

justify-content: center | space-between;

align-items: center | stretch;

flex-wrap: wrap | nowrap;

display: grid;

grid-template-columns: repeat(3, 1fr);

gap: 20px;

grid-template-areas: "header header" "main sidebar";

box-sizing: border-box;

margin: 10px 20px;

padding: 1rem;

border: 1px solid #ccc;