src/scss/layout/_header.scss

$logoHeight: 30px;
$logoMaxHeight: 100px;
$logoMaxWidth: 125px;

#header__wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.app__version {
  margin-left: 1em;
  display: none;
  @include mediaQuery(x-small) {
    display: inline-block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
}

header {
  position: relative;
  background: #000;
  color: $white;
  overflow: hidden;
}

.header__logout {
  float: right;
  display: inline-block;
  color: $white;
  font-size: .9em;
  text-decoration: none;
  padding: 1em;
  &:visited {
    color: $white;
  }
}

.header__functions-wrapper {
  color: $white;
  background: $lightbg__primary;
  padding: 0 1.1em;
  box-sizing: border-box;
  display: block;
  position: relative;
  overflow: hidden;
  min-height: 5em;
  .logo__wrapper {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }

  #header__logo {
    vertical-align: middle;
    margin: 1em;
    float: left;
    height: $logoHeight; //required for <SVG> logos - can remove if using img
    max-height: $logoMaxHeight;
    max-width: $logoMaxWidth;
    width: auto;
  }

  .header__functions {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    background: $darkbg__primary;
    span {
      display: block;
      color: $white;
      font-size: 1em;
      &.status-light__disabled {
        color: $darkgrey;
        &::before {
          @include status-light__disabled;
        }
      }
      &.status-light__good{
        &::before {
          @include status-light__good;
        }
      }
      &.status-light__error{
        color: $error-color;
        &::before {
          @include status-light__error;
        }
      }
    }
    a,  p, button {
      display: block;
      float: left;
      text-decoration: none;
      border-left: 1px solid #384456;
      color: $lightgrey;
      margin: 0;
      padding: 1.250em 1.688em;
      height: 100%;
      font-size: 0.875em;
      line-height: 1.3;
      > span {font-size: 1rem;
        font-weight: bold;}
    }
  }
  .header__functions {
    .header__refresh {
      color: $lightgrey;
      line-height: 1.6;
    }
  }
  .header__server-power,
  .header__page-refresh{
    &:hover {
      background: rgba(60,109,240,.4);
    }
  }
  .header__page-refresh {
    img {
      stroke: $white;
      height: 22px;
      width: 24px;
    }
  }
}// end header__functions-wrapper