/** 
* Those test are for CSS3 colors
* (some of them), more thorough test on colors should
* be elsewhere */

div {
	column-rule-color: transparent;
}
div {
        column-rule-color: rgb(255,0,0);
}
div {
        column-rule-color: rgba(255,0,0,1);
}
div {
        column-rule-color: rgba(100%,0%,0%,1);
}
div {
	column-rule-color: hsla(240, 100%, 50%, 0.5);
}