PSEUDO ELEMENTS

1. ::before

menambahkan konten sebelum elemen

div::before {
  content: "★";
}

2. ::after

menambahkan konten setelah elemen

div::after {
  content: "✓";
}

3. ::first-letter

menstyle huruf pertama

p::first-letter {
  font-size: 30px;
}

4. ::first-line

menstyle baris pertama

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

5. ::selection

style saat teks diseleksi user

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

6. ::placeholder

style placeholder input

input::placeholder {
  color: gray;
}

7. ::marker

style bullet/number list

li::marker {
  color: red;
}