body {
  background-color: #333;
  font: 16px sans-serif;
  margin: 0;
}

header {
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  background-color: #222;
  position: sticky;
  overflow: hidden;
  width: 100%;
  top: 0;
}
header a {
  position: relative;
  text-align: center;
  cursor: pointer;
  display: block;
  height: 50px;
  width: 60px;
  float: left;
}
header a svg {
  transform: rotate(180deg) translate(50%, 50%);
  position: absolute;
  width: 28px;
  left: 50%;
  top: 50%;
}

main {
  text-align: center;
}
main img {
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
  display: inline-block;
  margin-top: 30px;
  max-width: 100%;
}
main img:last-child {
  margin-bottom: 30px;
}

@media (max-width: 1366px) {
  main img {
    margin-bottom: 30px;
    margin-top: 0;
  }
}

/*# sourceMappingURL=portfolio.css.map */