div {
	column-rule: inherit;
}
div {
	column-rule: thin;
}
div {
        column-rule: solid;
}
div {
        column-rule: black;
}
div {
  column-rule: thin solid black;
}
div {
  column-rule: solid 4px green;
}
div {
	column-rule: thin black;
}
div {
	column-rule: black solid;
}
div {
	column-rule: solid thin;
}