Issue 1:
Say Hello to HTML Elements

Headline with the h2 Element

Inform with the Paragraph Element

Uncomment HTML

Comment out HTML

Fill in the Blank with Placeholder Text

Delete HTML Element

Change the Color of Text

Use CSS Selectors to Style Elements

Use a CSS Class to Style an Element

Style Multiple Elements with a CSS Class

Change the Font Size of an Element

Set the Font Family of an Element

Import a Google Font

Specify How Fonts Should Degrade

Add Images to your Website

Size your Images

Add Borders Around your Elements

Add Roundede Corners with a Border Radius

Make Circular Images with a Border Radius

Link to External Pages with Anchor Elements

Nest an Anchor Element within a Paragraph

Make Dead Links usig the Hash Symbol

Turn an Image into a Link

Add Alt Text to an Image for Accessebility

Create a Bulleted Unordered List

Create an Ordered List

Create a TextField

Add Placeholder Text to a Text Field

Create a Form Eleemnt

Add a Submit Button to a Form Use HTML5 to Require a Field

Create a Set of Radio Buttons

Create a Set of Checkboxes

Check Radio Buttons and Checkboxes by Default

Nest Many Elements within a Single Div Element

Give a Background Color to a Div Element

Sset the ID of an Element

Use an Id Attribute to Style an Element

Adjusting the Padding of an Element

Adjust the Margin of an Element

Add a Negative Margin to an Element

Add Different Padding to Each Side of an Element

Add Different Margins to Each Side of an Element

Use Clockwise Notation to Specify the Padding of an Element

Use Clockwise Notation to Specify the Margin of an Element

Style the HTML Body Element

Inherit Styles from the Body Element

Prioritize One Style Over Another

Override Styles in Subsequent CSS

Override Class Declarations by Styling ID Attributes

Override Class Declarations with Inline Styles

Override All Other Stlyes by using Important

Use Hex Code for Specific Colors

Use Hex Code to Color Elements White

Use Hex Code to Color Elements Red

Use Hex Code to Color Elements Green

Use Hex Code to Color Elements Blue

Use Hex Code to Mix Colors

Use Hex Code to Color Elements Gray

Use Hex Code for Specific Shades of Gray

Use Abbreviated Hex Code

Use RGB values to Color Elements

Use RGB to Color Elements White

Use RGB to Color Elements Red

Use RGB to Color Elements Green

Use RGB to Color Elements Blue

Use RGB to Mix Color

I've written this by hand, so feel free to point out typos and missed items!

Issue 2:
Say Hello to HTML Elements Complete

Headline with the h2 Element Complete

Inform with the Paragraph Element Complete

Uncomment HTML Complete

Comment out HTML Complete

Fill in the Blank with Placeholder Text Complete

Delete HTML Elements Complete

Change the Color of Text Complete

Use CSS Selectors to Style Elements Complete

Use a CSS Class to Style an Element Complete

Style Multiple Elements with a CSS Class Complete

Change the Font Size of an Element Complete

Set the Font Family of an Element Complete

Import a Google Font Complete

Specify How Fonts Should Degrade Complete

Add Images to your Website Complete

Size your Images Complete

Add Borders Around your Elements Complete

Add Rounded Corners with a Border Radius Complete

Make Circular Images with a Border Radius Complete

Link to External Pages with Anchor Elements Complete

Nest an Anchor Element within a Paragraph Complete

Make Dead Links using the Hash Symbol Complete

Turn an Image into a Link Complete

Add Alt Text to an Image for Accessibility Complete

Create a Bulleted Unordered List Complete

Create an Ordered List Complete

Create a Text Field Complete

Add Placeholder Text to a Text Field Complete

Create a Form Element Complete

Add a Submit Button to a Form Complete

Use HTML5 to Require a Field Complete

Create a Set of Radio Buttons Complete

Create a Set of Checkboxes Complete

Check Radio Buttons and Checkboxes by Default Complete

Nest Many Elements within a Single Div Element Complete

Give a Background Color to a Div Element Complete

Set the ID of an Element Complete

Use an ID Attribute to Style an Element Complete

Adjusting the Padding of an Element Complete

Adjust the Margin of an Element Complete

Add a Negative Margin to an Element Complete

Add Different Padding to Each Side of an Element Complete

Add Different Margins to Each Side of an Element Complete

Use Clockwise Notation to Specify the Padding of an Element Complete

Use Clockwise Notation to Specify the Margin of an Element Complete

Style the HTML Body Element Complete

Inherit Styles from the Body Element Complete

Prioritize One Style Over Another Complete

Override Styles in Subsequent CSS Complete

Override Class Declarations by Styling ID Attributes Complete

Override Class Declarations with Inline Styles Complete

Override All Other Styles by using Important Complete

Use Hex Code for Specific Colors Complete

Use Hex Code to Color Elements White Complete

Use Hex Code to Color Elements Red Complete

Use Hex Code to Color Elements Green Complete

Use Hex Code to Color Elements Blue Complete

Use Hex Code to Mix Colors Complete

Use Hex Code to Color Elements Gray Complete

Use Hex Code for Specific Shades of Gray Complete

Use Abbreviated Hex Code Complete

Use RGB values to Color Elements Complete

Use RGB to Color Elements White Complete

Use RGB to Color Elements Red Complete

Use RGB to Color Elements Green Complete

Use RGB to Color Elements Blue Complete

Use RGB to Mix Colors

Planning to finish translation tomorrow, inviting @bugron to do QA.