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CSS Important Question For BCA MCA Students

% - Defines a measurement as a percentage relative to another value, typically an enclosing element.
p {font-size: 16pt; line-height: 125%;}
cm − Defines a measurement in centimeters.
div {margin-bottom: 2cm;}
em − A relative measurement for the height of a font in em spaces. Because an em unit is equivalent to the size of a given font, if you assign a font to 12pt, each "em" unit would be 12pt; thus, 2em would be 24pt.
p {letter-spacing: 7em;}
ex − This value defines a measurement relative to a font's x-height. The x-height is determined by the height of the font's lowercase letter.
p {font-size: 24pt; line-height: 3ex;}
in − Defines a measurement in inches.
p {word-spacing: .15in;}
mm − Defines a measurement in millimeters.
p {word-spacing: 15mm;}
pc − Defines a measurement in picas. A pica is equivalent to 12 points; thus, there are 6 picas per inch.
p {font-size: 20pc;}
pt − Defines a measurement in points. A point is defined as 1/72nd of an inch.
body {font-size: 18pt;}
px − Defines a measurement in screen pixels.
p {padding: 25px;}
vh − 1% of viewport height.
h2 { font-size: 3.0vh; }
vw − 1% of viewport width.
h1 { font-size: 5.9vw; } 
vmin 1vw or 1vh, whichever is smaller.
p { font-size: 2vmin;}
You can specify your color values in various formats. Following table lists all the possible formats −
FormatSyntaxExample
Hex Code#RRGGBBp{color:#FF0000;}
Short Hex Code#RGBp{color:#6A7;}
RGB %rgb(rrr%,ggg%,bbb%)p{color:rgb(50%,50%,50%);}
RGB Absolutergb(rrr,ggg,bbb)p{color:rgb(0,0,255);}
keywordaqua, black, etc.p{color:teal;}

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