HTML

• The head element contains information about the webpage
• The body element represents the visible content shown to the user
• Red text in your code can signify errors (such as an unclosed line of code)
• "eval $(ssh-agent)" and "ssh-add" for enabling ssh (ask about this)

CSS

• A margin indicates how much space we want around the outside of an element.
• A padding indicates how much space we want around the content inside an element.
• Click here for hex color codes

Git

• git status: checks what branch we are currently on
• git checkout -b branch-name: creates a new branch and switches to it
• "cd .." to move back a directory

JavaScript

• A variable is a named container that allows us to store data in our code.
• Control flow is the order in which a computer executes code in a script.
• Code is executed from top to bottom
• Functions must be called for them to execute, not just defined