/*? global clearing */
*,
html,
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #222222;
  color: white;
  text-align: center;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

nav {
  overflow: hidden;
  background-color: #333;
}

nav a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

nav a:hover {
  background-color: #ddd;
  color: black;
}

nav a.active {
  background-color: crimson;
  color: white;
}

nav .icon {
  display: none;
}

.btn {
  margin-top: 16px;
  border: none;
  padding: 12px;
  background-color: white;
  font-size: 18px;
  font-weight: 600;
  color: black;
  cursor: pointer;
}

@media screen and (max-width: 600px) {
  nav a:not(:first-child) {
    display: none;
  }
  nav a.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 600px) {
  nav.responsive {
    position: relative;
  }
  nav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  nav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}