DRD questions

DRD answers

• Make the text part of a div transparent
• Keeping text size the same on zooming
• Filtering array against all of another array
• Why does my hyperlinked div stretch across the entire page?
• Centering a variable width grid while aligning its elements to the left
• Is it possible to make an input="text" to require either an email or a tel?
• Triangular link area
• Why does my flexbox expand despite overflow:hidden/auto?
• Borders only between elements
• How can I make DIV 100% height of browser without vertical scrolling of header