@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  color: #99a2a2;
  font-family: "Poppins", "Arial", sans-serif;
  line-height: 1.5;
}

/* Navbar style */
#navbar header {
  margin: 1.2rem 0;
  text-align: center;
  font-size: 1.7rem;
  font-weight: 500;
  color: black;
}

#navbar ul {
  max-height: 225px;
  overflow-y: auto;
  border: 2px solid black;
  list-style: none;
}

#navbar ul li {
  padding: 0.7rem 1.8rem;
  border-top: 2px solid black;
}

#navbar ul li a {
  text-decoration: none;
  color: black;
}

/* Main content style */
#main-doc {
  padding: 1.2rem;
}

#main-doc section header {
  color: black;
  font-size: 1.6rem;
  font-weight: 500;
}

#main-doc section article {
  margin: 0.9rem;
}

#main-doc section article ul {
  margin-left: 4rem;
}

code {
  display: block;
  padding: 1.2rem 0.5rem;
  background-color: #f7f7f7;
}

.mb {
  margin-bottom: 1rem;
}

/* Tab screen (768px) style */
@media (min-width: 768px) {
  #navbar ul {
    border: none;
    border-bottom: 2px solid black;
  }

  #navbar ul li {
    border: none;
  }
}

/* Tab landscape screen orientation (992px) style */
@media (min-width: 992px) {
  #navbar {
    border-right: 2px solid #99a2a2;
    position: fixed;
    width: 300px;
  }

  #navbar header {
    font-size: 1.5rem;
  }

  #navbar ul {
    padding-bottom: 8rem;
    max-height: 100vh;
    border: none;
  }

  #navbar ul li {
    border-top: 1px solid #99a2a2;
  }

  #main-doc {
    margin-left: 300px;
    padding: 1.2rem;
  }
}