CSS 58 💻 Cheatsheet
58 – Cheatsheet
Basic Selectors
- Element Selector: Targets elements by tag name.
p { color: blue; } - Class Selector: Targets elements with a specific class.
.highlight { background-color: yellow; } - ID Selector: Targets an element with a specific ID (unique).
#main-title { font-size: 36px; } - Universal Selector: Applies to all elements.
* { margin: 0; padding: 0; } - Attribute Selector: Targets elements with specific attributes or attribute values.
[type="text"] { border: 1px solid black; }
Combinators
- Descendant Combinator (Space): Selects elements that are descendants of another element.
div p { color: red; } - Child Combinator (>): Selects direct children of an element.
ul > li { font-weight: bold; } - Adjacent Sibling Combinator (+): Selects the element immediately following another element.
h1 + p { margin-top: 20px; } - General Sibling Combinator (~): Selects all siblings that follow another element.
h2 ~ p { font-style: italic; }
Box Model
- Margin: The space outside the border.
margin: 10px;
margin-top: 20px;
margin-left: 30px;
margin-right: 40px;
margin-bottom: 50px;
- Padding: The space inside the border.
padding: 10px;
padding-top: 20px;
padding-left: 30px;
padding-right: 40px;
padding-bottom: 50px;
- Border: The line around an element.
border: 1px solid black;
border-width: 2px;
border-style: dashed;
border-color: red;
- Width/Height: Sets the width and height of an element.
width: 300px;
height: 200px;
Typography
- Font Family: Specifies the font family for text.
font-family: Arial, sans-serif; - Font Size: Sets the size of the font.
font-size: 16px; - Font Weight: Controls the boldness of the font.
font-weight: bold; - Text Align: Aligns text within an element.
text-align: center;
Background
- Background Color: Sets the background color of an element.
background-color: #f0f0f0; - Background Image: Sets a background image for an element.
background-image: url('image.jpg'); - Background Repeat: Controls how the background image is repeated.
background-repeat: no-repeat; - Background Position: Positions the background image within an element.
background-position: center;
Display
- Display Block: Makes an element take up the full width available and start on a new line.
display: block; - Display Inline: Allows elements to sit next to each other horizontally.
display: inline; - Display Inline-Block: Combines both inline and block properties.
display: inline-block; - Display Flex: Creates a flex container for child elements.
display: flex; - Display Grid: Creates a grid container for child elements.
display: grid;
Positioning
- Position Static: Default value. Elements are positioned according to the normal flow of the document.
position: static; - Position Relative: Moves an element relative to its normal position.
position: relative;
top: 20px;
left: 30px;
- Position Absolute: Positions an element relative to the nearest positioned ancestor (not static).
position: absolute;
top: 50px;
right: 100px;
- Position Fixed: Keeps an element in a fixed position even when scrolling.
position: fixed;
bottom: 20px;
left: 30px;
Flexbox
- Flex Direction: Defines the direction of the main axis (row or column).
flex-direction: row; /* Default */
flex-direction: column;
- Justify Content: Aligns items along the main axis.
justify-content: flex-start; /* Default */
justify-content: center;
justify-content: flex-end;
justify-content: space-between;
justify-content: space-around;
- Align Items: Aligns items along the cross axis.
align-items: stretch; /* Default */
align-items: flex-start;
align-items: center;
align-items: flex-end;
Grid
- Grid Template Columns: Defines the number and size of columns in a grid container.
grid-template-columns: repeat(3, 1fr); - Grid Template Rows: Defines the number and size of rows in a grid container.
grid-template-rows: auto; - Justify Items: Aligns items along the row axis within their grid area.
justify-items: start; /* Default */
justify-items: center;
justify-items: end;
justify-items: stretch;
- Align Items: Aligns items along the column axis within their grid area.
align-items: start; /* Default */
align-items: center;
align-items: end;
align-items: stretch;
Other Useful Properties
- Color: Sets the color of text.
color: #333333; - Opacity: Sets the opacity level of an element.
opacity: 0.5; - Margin/Padding: Controls the space around or inside an element.
margin: 10px;
padding: 20px;
- Box Shadow: Adds a shadow effect to an element.
box-shadow: 2px 4px 6px rgba(0, 0, 0, 0.5); - Transform: Applies 2D or 3D transformations to an element.
transform: rotate(90deg);
THE END