<!DOCTYPE html>
<html>
  <head> </head>
  <body>
    <h2>column-rule-style: ridge; column-rule-color: aqua;</h2>

    <div
      style="
        column-count: 4;
        column-rule-style: ridge;
        column-rule-color: aqua;
        background-color: lightgray;
        border: solid;
      "
    >
      Sed at tempus quam. Etiam mollis, nisl vitae tincidunt pharetra, ex purus
      dapibus sem, sed cursus ipsum ex sit amet neque. Mauris mattis aliquam
      tristique. Fusce consequat consequat eros, vel