Simple Note 2 (shorthand CSS)

No. 1
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body {
  font-weight: bold;
  font-style: italic;
  font-size: 83%;
  line-height: 140%;
  font-family: verdana, arial, sans-serif;
}

body {
  font: bold italic 83%/140% verdana, arial, sans-serif;
}

No. 2
-----
#element {
  margin-top: 1em;
  margin-right: 0.5em;
  margin-bottom: 1em;
  margin-left: 0.5em;
  padding-top: 1em;
  padding-right: 0.5em;
  padding-bottom: 0.75em;
  padding-left: 1.5em;
}

#element {
  margin: 1em 0.5em;
  padding: 1em 0.5em 0.75em 1.5em;
}

No. 3
-----
#element {
  border-top-width: 1px;
  border-top-style: solid;
  border-top-color: #000;
  border-right-width: 1px;
  border-right-style: solid;
  border-right-color: #000;
  border-bottom-width: 1px;
  border-bottom-style: solid;
  border-bottom-color: #000;
  border-left-width: 1px;
  border-left-style: solid;
  border-left-color: #000;
}

#element {
  border: 1px solid #000;
}

but with different width...

#element {
  border: 1px solid #000;
  border-width: 1px 2px 3px 1px;
}

different styles and colours

#element {
  border-width: 1px 2px 3px 1px;
  border-style: solid dashed dotted ridge;
  border-color: #000 #666EFF #CC3300 #00CC33;
}

No. 4
-----
#element {
  background-color: #000;
  background-image: url(myImage.jpg);
  background-position: top left;
  background-repeat: no-repeat;
}

#element {
  background: #000 url(myImage.jpg) top left no-repeat;
}

Information from: Tyssen Design