HTML and CSS Tags and Properties Overview

ATag

An anchor (a) tag is used to implement a hyperlink for a user. This means that the user is anchoring himself to another page.

Absolute Link

A link which contains the complete address to another link.

Absolute Positioning

A type of positioning in CSS which places items in an exact location on a webpage.

Action Attribute

An attribute used within a form tag to navigate users to the next page or script once the form is submitted.

ArticleTag

A tag which is used to mark off self-containing text that can make up a story, blog entry, or an article.

AsideTag

A tag which is often used to mark off a side story.

AudioTag

A tag which can have multiple sources and should have the controls attribute added to allow a user to control when the audio plays.

Background

The color or image used as the backdrop of an entire webpage.

BodyTag

A tag which contains everything that displays on the webpage. Most of the tags used in CSS are placed inside of a body tag.

Border-Color Property

A CSS property which is used to alter the color of a border either by name or using hexadecimal colors.

Border-Style Property

An element used in CSS to control the overall look of a border.

Border-Width Property

A property which is used in CSS to control the width of a border.

BrTag

A tag which is used to create a line break.

ButtonTag

A tag which can be used on a form to add a button option.

CaptionTag

A tag which is used on tables to allow a table description to be placed in close proximity to a table.

Comment

A tool used to put placeholders in for text that will need to be added later to a webpage. It can also be used to explain parts of a webpage that do not display in a browser but will appear in a text editor.

CSS

Cascading Style Sheets (CSS) is a type of style sheet language used in web design to describe the presentation of a document written in a markup language like HTML5.

CSS Framework

A template created by the web designer, downloaded for free, or purchased from a third party, with built-in CSS to ease the development process of a website.

DatalistTag

A tag which is used to create a pre-populated list within a form.

Delete

A common submission method which requests to remove information from a database.

DetailsTag

The summary tag surrounds the line explaining what is in the details section in a details tag.

DivTag

A tag which is used in CSS to control alignment, backgrounds, margins, padding, and text flow for webpage elements.

Em

A relative measurement equivalent to the font size being used. For example, 3em = 3 x the current font size.

Ex

A measurement type relative to the height of the letter 'x'.

FieldsetTag

A tag which creates fieldsets to group fields on forms, making them easier to read.

FigureTag

A tag which is used to mark up an image in a webpage.

Float Element

An element used to move one item next to another on a webpage.

Font-Family Property

A CSS property to ensure backup and web-safe fonts are available if a user doesn't have access to the specified fonts.

Font-Style Property

A CSS property used to apply style to fonts, such as italics.

Font-Weight Property

A font property controlling the boldness of text on a webpage.

Get

A common submission method used to retrieve information, such as from another webpage or a search engine.

HeadTag

A tag that contains information describing the webpage, but does not display on the webpage itself.

HeadingTags

HTML has six levels of headings (h1 to h6), with h1 being the largest and h6 the smallest.

Hexadecimal Colors

A color format using a pound symbol and six hexadecimal characters representing red, green, and blue values.

HrTag

A tag that creates a horizontal rule (line), used for paragraph-level breaks.

HtmlTag

A tag containing the data that makes up a webpage.

HTML5

Hypertext Markup Language 5, used to build and present content on the Internet.

iFrame

A frame within a webpage that can hold external content and be altered using programming.

ImgTag

Defines an image in HTML and requires src and alt attributes.

JavaScript

A scripting language that adds dynamic behavior to webpages, responding to events.

LiTag

List item tag, used for items in ordered or unordered lists.

LinkTag

Allows designers to link to external files like style sheets and scripts.

Margins

The space between content and the edge of a webpage.

Max-Width Property

Used in CSS to ensure content doesn't exceed screen size.

Media Query

Used to adjust webpage styles based on device characteristics like screen width.

Meta Tag

Embeds metadata in a webpage.

Metadata

Describes items and their usage in a webpage.

Method Attribute

Tells a form what type of action to take when submitted (e.g., GET or POST).

MP3

A compressed audio file format.

MP4

A digital container format used to store video and audio data.

MPEG

A standard for video compression, also known as H.264.

NavTag

Defines the area for navigation links in a webpage.

NoscriptTag

Displays a message if a user's browser does not support JavaScript or another script.

Ogg

An open and royalty-free multimedia format.

OlTag

An ordered list tag, used for numbered lists.

OutputTag

Runs instant calculations based on user form inputs.

Overflow Property

Ensures content fits on the screen properly.

PTag

Creates paragraphs in HTML.

Percentage Measurement

Relative measurement allowing elements to resize based on screen size.

Pixel Measurement (px)

A fixed measurement unit in CSS.

Post

Submits data and modifies server content based on user input.

Pt

A unit of measurement equal to 1/72 of an inch.

Put

Submits data to insert it into a database.

Relative Link

Links to another page within the same website.

Relative Positioning

Positions elements relative to their normal location.

Responsive Web Design

Designing webpages to work across various device types and sizes.

SVG

Scalable Vector Graphics; a vector format supporting interactivity and animation.

ScriptTag

Holds programming scripts.

SectionTag

Marks off sections of a webpage.

Select Tag

Creates a drop-down list in a form.

SemanticTag

Organizes a webpage and influences how it's rendered.

SpanTag

Formats a word or phrase within a sentence.

SummaryTag

Used within the details tag to label the section.

Tag

A command in HTML that formats content.

Text-Align Property

Aligns text on a webpage.

TextareaTag

Creates a multi-line text box for user input in forms.

Text-Decoration Property

Applies styles like underlines to text.

Text-Indent Property

Indents the first line of a paragraph.

TrackTag

Used for subtitles or captions in video.

UlTag

Creates an unordered (bulleted) list.

VideoTag

Adds video content to a webpage.

Visibility Property

Controls whether an element is visible or hidden.

WebM

A video format designed for efficient playback on low-power devices.