body {
  display: flex;
  flex-flow: column;
  min-height: 100vh;
}

.content-area {
  flex: 1;
  padding-left: 5vw;
  padding-right: 5vw;
}

footer {
  // height: 4em;
  padding-bottom: 5rem;
  padding-top: 1rem;
}

header {
  display: flex;
  padding-bottom: 0;
  padding-top: 5vw;
}

.site-logo>h1 {
  font-family: "bodoni-urw", sans-serif;
  font-size: $font-size-sm;
  margin: auto;
  padding: $theme-base-padding;
  padding-bottom: $theme-padding-lg;
  text-align: center;
  text-transform: uppercase;

  @include hover-focus {
    background-color: $project-teal;
    color: $gray-lightest;
  }

  a {
    color: $project-darkest;

    @include hover-focus {
      color: $gray-lightest;
      text-decoration: none;
    }

    &:focus {
      @include tab-focus();
    }
  }

  .main::before {
    content: '\A';
    white-space: pre;
  }

  .main {
    // because ems
    font-size: $font-size-lg;
  }
}

.wf-loading {
  visibility: hidden;
}

.wf-active,
.wf-inactive {
  visibility: visible;
}

body {
  display: flex;
  flex-flow: column;
  min-height: 100vh;
}

.content-area {
  flex: 1;
  padding-left: 5vw;
  padding-right: 5vw;
}

footer {
  // height: 4em;
  padding-bottom: 5rem;
  padding-top: 1rem;
}

header {
  display: flex;
  padding-bottom: 0;
  padding-top: 5vw;
}

.site-logo>h1 {
  font-family: "bodoni-urw", sans-serif;
  font-size: $font-size-sm;
  margin: auto;
  padding: $theme-base-padding;
  padding-bottom: $theme-padding-lg;
  text-align: center;
  text-transform: uppercase;

  @include hover-focus {
    background-color: $project-teal;
    color: $gray-lightest;
  }

  a {
    color: $project-darkest;

    @include hover-focus {
      color: $gray-lightest;
      text-decoration: none;
    }

    &:focus {
      @include tab-focus();
    }
  }

  .main::before {
    content: '\A';
    white-space: pre;
  }

  .main {
    // because ems
    font-size: $font-size-lg;
  }
}

.site-main {
  display: flex;
  flex-flow: column;
}

.wf-loading {
  visibility: hidden;
}

.wf-active,
.wf-inactive {
  visibility: visible;
}

Add more flexbox styles to theme base
Add more flexbox styles to theme base
