Multi-column element uses the code
div
{
border: #979797 solid 2px;
column-fill: balance; /* Balance content equally between columns */
columns: 4;
column-gap: 2.5em;
column-rule: black solid thick;
font-family: "Liberation Sans", ArialMT, Arial, sans-serif;
font-size: 18px;
height: auto;
line-height: 1.14;
orphans: 1; /* "The orphans property specifies the minimum number
of line boxes of a block container that must be left in a
fragment _before_ a break. */
padding: 1em;
widows: 1; /* "The widows property specifies the minimum number
of line boxes of a block container that must be left in a
fragment _after_ a break. */
width: 42.7em;
}