#nav-toggle {
  cursor: pointer;
  height: 11.5px;
  position: relative;
  -webkit-transform: rotate(0deg);
          transform: rotate(0deg);
  transition: 0.2s ease;
  width: 28px;
  z-index: 100;
}
@media screen and (min-width: 550px) {
  #nav-toggle {
    display: none;
  }
}

#nav-toggle span {
  background: #111;
  display: block;
  height: 2px;
  left: 0;
  opacity: 1;
  position: absolute;
  -webkit-transform: rotate(0deg);
          transform: rotate(0deg);
  transition: 0.2s ease;
  width: 100%;
}
#nav-toggle span:nth-child(1) {
  margin-top: -2px;
}
#nav-toggle span:nth-child(2), #nav-toggle span:nth-child(3) {
  margin-top: 4.75px;
}
#nav-toggle span:nth-child(4) {
  margin-top: 11.5px;
}

#nav-toggle.is-open span {
  background: #fff !important;
}
#nav-toggle.is-open span:nth-child(1),
#nav-toggle.is-open span:nth-child(4) {
  margin-top: 3.75px;
  width: 0%;
  left: 50%;
}
#nav-toggle.is-open span:nth-child(2) {
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}
#nav-toggle.is-open span:nth-child(3) {
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
}

.main {
  display: flex;
  flex-direction: column;
  padding-top: 50vh;
}
.main > * {
  margin-bottom: 25vh;
  position: relative;
  z-index: 10;
}
.main > * p {
  font-size: small;
  margin-top: 1em;
}

.nav {
  position: fixed;
  top: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.title {
  font-size: 5em;
  position: fixed;
  text-align: center;
  line-height: 1;
  margin: 0 auto;
  z-index: -1;
  width: 100%;
  top: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
@media screen and (min-width: 550px) {
  .title {
    font-size: 20vh;
  }
}

.is-horizontal {
  width: calc(100% - 20px);
}
@media screen and (min-width: 550px) {
  .is-horizontal {
    width: 66%;
  }
}

img {
  display: block;
  max-width: 100%;
  position: relative;
  margin: 0 auto;
}

.is-vertical {
  width: 55%;
}
@media screen and (min-width: 550px) {
  .is-vertical {
    width: 33%;
  }
}

.caption {
  text-align: left;
}
@media screen and (min-width: 550px) {
  .caption {
    display: flex;
  }
}

.is-left {
  align-self: center;
}
@media screen and (min-width: 550px) {
  .is-left {
    align-self: flex-start;
  }
}
.is-left .caption {
  text-align: right;
}

.is-center {
  align-self: center;
}

.is-right {
  align-self: center;
}
@media screen and (min-width: 550px) {
  .is-right {
    align-self: flex-end;
  }
}