papercss/src/layout/_container.scss

.container {
  margin: 0 auto;
  max-width: 960px;
  position: relative;
  width: 100%;
  @include resp(medium) {
    width: 85%;
  }
  @include resp(xsmall) {
    width: 90%;
  }
}

.container {
  &.container-xs {
    max-width: $xsmall-screen;
  }
}

.container {
  &.container-sm {
    max-width: $small-screen;
  }
}

.container {
  &.container-md {
    max-width: $medium-screen;
  }
}

.container {
  &.container-lg {
    max-width: $large-screen;
  }
}

.section {
  margin-bottom: 2rem;
  margin-top: 1rem;
  word-wrap: break-word;

  &::after {
    @include hr-after;
  }
}

hr {
  border: 0;

  &::after {
    @include hr-after;
    top: -0.75rem;
  }
}

.paper {
  @include color('background-color', 'main-background');
  border: 1px solid $primary-light;
  box-shadow: -1px 5px 35px -9px hsla(0, 0%, 0%, 0.2);
  margin-bottom: 1rem;
  margin-top: 1rem;
  padding: 2rem;
  @include resp(xs) {
    margin-bottom: 0;
    margin-top: 0;
    padding: 1rem;
    width: 100%;
  }
}