* {
  box-sizing: border-box;
}

body {
  background-color: rebeccapurple;
  color: white;
  font-family: "Montserrat", "Comic Sans MS", monospace;
  font-size: 100%;
}

header {
  font-size: 2em;
}

h1 {
  /* line-height: 200px; */
  font-weight: 900;
  font-style: italic;
  font-size: 4rem;
}

ul {
  color: red;
}

.guay {
  background-color: salmon;
}

li {
  background-color: yellowgreen;
}

a {
  text-decoration: none;
  color: white;
}

section {
  /* border-width: 10px;
        border-style: solid;
        border-color: black; */

  border: 5px solid black;
}

/* selector multiple */
h1,
h2,
h3,
.guay,
h4,
h4,
h6 {
  background-color: blue;
}

#superEspecifico {
  background-color: red;
}

/* nested selector */
header h2 {
  background-color: brown;
}

/* nested parent - child selector */
header > h2 {
  background-color: yellow;
}

strong {
  font-size: 1.5rem;
  color: grey;
}