Add the following CSS to styles.css:

A linear$-$gradient background to the $.$table rule that goes from forestgreen to darkgreen

A border$-$radius of $5$px and a black box$-$shadow property with $3$px x and y offsets to the $.$card rule

Absolute positioning to the $.$card$-$top rule that positions the card $150$px from the left and $100$px from the top of the container edge

Absolute positioning to the $.$card$-$bottom rule that positions the card $240$px from the left and $120$px from the top of the container edge

A z$-$index to the $.$card$-$top and $.$card$-$bottom rules to make the top card appear on top

Absolute positioning to the $.$top$-$left rule that positions the symbol $2$px from the left and top edges of the card

Absolute positioning to the $.$bottom$-$right rule that positions the symbol $2$px from the right and bottom edges of the card