Basic CSS - Attach a Fallback value to a CSS Variable1

Basic CSS - Attach a Fallback value to a CSS Variable1
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#1
.penguin { /* add code below */ --penguin-skin: black; /* add code above */ --penguin-belly: white; --penguin-beak: orange; position: relative; margin: auto; display: block; margin-top: 5%; width: 300px; height: 300px; } .penguin-top { top: 10%; left: 25%; background: var(--penguin-skin, black); width: 50%; height: 45%; border-radius: 70% 70% 60% 60%; } .penguin-bottom { top: 40%; left: 23.5%; /* change code below */ background: var(--pengiun-skin,gray); /* change code above */ width: 53%; height: 45%; border-radius: 70% 70% 100% 100%; } .right-hand { top: 0%; left: -5%; background: var(--penguin-skin, black); width: 30%; height: 60%; border-radius: 30% 30% 120% 30%; transform: rotate(45deg); z-index: -1; } .left-hand { top: 0%; left: 75%; background: var(--penguin-skin,var(--penguin-skin, black)); width: 30%; height: 60%; border-radius: 30% 30% 30% 120%; transform: rotate(-45deg); z-index: -1; } .right-cheek { top: 15%; left: 35%; background: var(--penguin-belly, white); width: 60%; height: 70%; border-radius: 70% 70% 60% 60%; } .left-cheek { top: 15%; left: 5%; background: var(--penguin-belly, white); width: 60%; height: 70%; border-radius: 70% 70% 60% 60%; } .belly { top: 60%; left: 2.5%; background: var(--penguin-belly, white); width: 95%; height: 100%; border-radius: 120% 120% 100% 100%; } .right-feet { top: 85%; left: 60%; background: var(--penguin-beak, orange); width: 15%; height: 30%; border-radius: 50% 50% 50% 50%; transform: rotate(-80deg); z-index: -2222; } .left-feet { top: 85%; left: 25%; background: var(--penguin-beak, orange); width: 15%; height: 30%; border-radius: 50% 50% 50% 50%; transform: rotate(80deg); z-index: -2222; } .right-eye { top: 45%; left: 60%; background: black; width: 15%; height: 17%; border-radius: 50%; } .left-eye { top: 45%; left: 25%; background: black; width: 15%; height: 17%; border-radius: 50%; } .sparkle { top: 25%; left: 15%; background: white; width: 35%; height: 35%; border-radius: 50%; } .blush-right { top: 65%; left: 15%; background: pink; width: 15%; height: 10%; border-radius: 50%; } .blush-left { top: 65%; left: 70%; background: pink; width: 15%; height: 10%; border-radius: 50%; } .beak-top { top: 60%; left: 40%; background: var(--penguin-beak, orange); width: 20%; height: 10%; border-radius: 50%; } .beak-bottom { top: 65%; left: 42%; background: var(--penguin-beak, orange); width: 16%; height: 10%; border-radius: 50%; } body { background:#c6faf1; } .penguin * { position: absolute; }

#2

Fallbacks to CSS variables are used like this

body {
  --color: red;
  color: var(--color, blue); /* blue is the fallback color */
}