It's possible to define color and background for
text the user selects.
Try it below. If you select something and it looks like this, your browser supports selection styles.
This is the paragraph with normal ::selection.
This is the paragraph with ::-moz-selection.
This is the paragraph with ::-webkit-selection.
p.normal::selection {
background:#cc0000;
color:#fff;
}
p.moz::-moz-selection {
background:#cc0000;
color:#fff;
}
p.webkit::-webkit-selection {
background:#cc0000;
color:#fff;
}