CSU 3.4
Use em to set font sizes. Example: H1 {font-size:2em}
Use relative length units and percentages. Example BODY {margin-left:15%; margin-right:10%}
Use em to set font sizes. Example: H1 {font-size:2em}
Use relative length units and percentages. Example BODY {margin-left:15%; margin-right:10%}