* {
  box-sizing: border-box;
}

body {
  background-color: #40407a;
  color: #40407a;
  font-family: Verdana, Arial, sans-serif;
  margin: 0;
}

header {
  background-image: url(sunrise.jpg);
  background-color: #40407a;
  color: #fff;
  background-size: 100%;
  margin-top: 50px;
  font-size: 90%;
  min-height: 200px;
}

nav {
  text-align: right;
  font-weight: bold;
  background-color: #fff;
  margin: 0;
  padding-top: 0.5em;
  padding-bottom: 1em;
  padding-right: 0;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: 100%;
  height: auto;
}

nav a {
  text-decoration: none;
}

footer {
  font-size: small;
  font-style: italic;
  text-align: center;
  float: right;
  clear: both;
}

li {
  font-size: 90%;
}

section {
  padding-left: 0.5em;
  padding-right: 0.5em;
}

#wrapper {
  background-color: #f5f5f5;
  padding: 2em;
}

.home {
  height: 20vh;
  padding-top: 2em;
  padding-left: 10%;
}

.content {
  height: 20vh;
  padding-top: 2em;
  padding-left: 10%;
}

#mathero {
  height: 300px;
  background-image: url(yogamat.jpg);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: none;
}

#loungehero {
  height: 300px;
  background-image: url(yogalounge.jpg);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: none;
}

#flow {
  display: block;
}

h2 {
  margin: 0;
}

nav ul {
  list-style: none;
  margin: 0;
  padding-right: 2em;
  font-size: 1.2em;
}

nav li {
  display: inline;
  padding-left: 4em;
}

nav a:link {
  color: #3f2860;
}

nav a:visited {
  color: #497777;
}

nav :active:hover {
  color: #a26100;
}

header a:link,
header a:visited {
  color: #fff;
}

header a:hover {
  color: #edf5f5;
}

@media (min-width: 600px) {
  nav ul {
    display: flex;
    justify-content: flex-end;
  }
  section {
    padding-left: 2em;
    padding-right: 2em;
    flex: 1;
  }
  #mathero,
  #lounghero {
    display: block;
    margin-bottom: 1em;
  }
  #flow {
    display: flex;
    flex-wrap: wrap;
  }
}

@media (min-width: 1024px) {
  header {
    font-size: 120%;
  }
  .home {
    height: 50vh;
    padding-top: 5em;
    padding-left: 8em;
  }
  .content {
    height: 30vh;
    padding-top: 2em;
    padding-left: 8em;
  }
  #wrapper {
    margin: auto;
    width: 80%;
  }
}