CSS

css selection

::selection {
  background-color: cyan;
}

selection css

/* Make selected text gold on a red background */
::selection {
  color: gold;
  background-color: red;
}

/* Make selected text in a paragraph white on a blue background */
p::selection {
  color: white;
  background-color: blue;
}

Css selection

p.normal::selection {
	background: #cc0000;
	color: #fff;
}

p.moz::-moz-selection {
	background: #cc0000;
	color: #fff;
}