body {
  font-family: 'Roboto Slab', serif;
  line-height: 1.1em;
  background-color: lightgrey;
}

h1 {
  font-size: 3em;
  font-weight: bold;
  margin: 0.5em 0;
}

.main-wrapper {
  width: 100vw;
  height: 450px;
  overflow: auto;
}

.section {
  float: left;
  height: 440px;
  width: 100vw;
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.section:first-child {
  background-color: lightblue;
}
.section:nth-child(2) {
  background-color: lightyellow;
}
.section:nth-child(3) {
  background-color: lightpink;
  width: 50vw;
}
.section:nth-child(4) {
  background-color: lightgreen;
}
.section:nth-child(5) {
  background-color: lightgrey;
}
.sections {
  white-space: nowrap;
  min-width: 100vw;
  height: 100vh;
}
.section__title, .section__heading {
  width: 100%;
}
.section__heading p {
  text-transform: uppercase;
  font-size: 11px;
  max-width: 160px;
  margin: 0 auto;
  display: inline-block;
  white-space: normal;
}