html {
  height: 100%;
  min-width: 300px;
}

body {
  background-color: #3d0536;
  color: #f3f3f3;
  height: 100%;
  width: 100%;
  font-size: 20px;
  margin: 0;
  font-family: "Titillium Web", Helvetica, sans-serif;
}

h1, p {
  text-align: center;
}

a {
  text-decoration: none;
}

div.section {
  justify-content: center;
  display: flex;
  align-items: center;
  width: 70;
}

header {
  width: 100%;
  display: flex;
  background-color: #630c41;
  justify-content: end;
}

.hamburger {
  height: 20px;
  width: 20px;
  padding: 20px;
  float: right;
  cursor: pointer;
}

.hamburger:before {
  content: "";
  display: block;
  background-color: #f3f3f3;
  width: 100%;
  height: 4px;
}

.hamburger:after {
  content: "";
  display: block;
  background-color: #f3f3f3;
  width: 100%;
  height: 4px;
  margin-top: 4px;
  box-shadow: 0px 8px 0 #f3f3f3;
}

div.titulo {
  width: 300px;
  position: relative;
  height: 50px;
}

nav {
  background-color: #630c41;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  clear: both;
  transition: max-height 0.3s cubic-bezier(0.63, 0, 0.25, 1);
  position: relative;
}

nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  position: relative;
}

nav li {
  display: block;
  margin: 0;
  text-align: center;
}

nav a {
  color: white;
  display: block;
  padding: 0.4em;
}

header input[type=checkbox]:checked ~ nav {
  max-height: 150px;
  border-bottom: #630c41 5px solid;
}

header a:hover,
header a:focus,
header label:hover,
header label:focus {
  background-color: #44082d;
}

@media (min-width: 900px) {
  .hamburger {
    display: none;
  }
  nav {
    background: transparent;
    float: right;
    border: 0 !important;
    max-height: none;
    justify-content: end;
  }
  nav ul, nav li, nav li a {
    display: inline-block;
  }
  nav a {
    display: inline-block;
    padding: 15px 1em;
  }
}
.hidden {
  position: fixed;
  top: -100%;
  left: -100%;
}