body {
  margin: 0%;
}

a:link {
  color: rgb(36, 224, 49);
}

a:visited {
  color: rgb(68, 94, 56);
}

a:hover {
  color: tomato;
}

button:active {
  background-color: rgb(14, 20, 20);
  color: rgb(255, 255, 255);
}
li {
  font-size: 25px;
}

/* li:nth-child(1) {
  background-color: yellow;
} */
/* This is pseudo class */
/* li:nth-child() */

li:nth-child(even) {
  background-color: skyblue;
}

li:nth-child(odd) {
  background-color: powderblue;
}

li:nth-child(3n) {
  background-color: bisque;
}

/* This is pseudo element */
/* li::after */

p::first-letter {
  font-size: 40px;
  font-style: italic;
}

p::first-line {
  color: salmon;
}

#list1 li {
  background-color: aliceblue;
}

#list2 li {
  background-color: azure;
}

#list1 li::before {
  content: "✔️";
}

#CSS::after {
  content: "👌";
}

p::selection {
  background-color: black;
  color: white;
}