body {
  font-family: "Open Sans", Arial, sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.8;
  color: #b3b3b3;
  background: #fff;
}

h1, h2, h3, h4, h5 {
  color: #000;
  font-family: "Playfair Display", times, serif;
}

main, aside {
  width: 100%;
}

aside {
  background-position: center center;
  background-size: cover;
  height: 400px;
  position: relative;
}

.content {
  margin: 40px;
}

@media (min-width: 576px) {

  main, aside {
    width: 50%;
  }

  aside {
    height: 100vh;
    position: fixed;
    right: 0;
    top: 0;
  }

  .content {
    position: absolute;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    margin: 0px 80px;
  }

}

button:focus {
    outline: 5px auto #000;
}