Plume/static/css/_header.scss

header {
  background: $lightgray;

  #content {
    display: flex;
   	align-content: center;
   	justify-content: space-between;
  }

  nav#menu {
    position: relative;
    display: none;
    transform: skewX(-15deg);
    left: -1em;
    padding: 1em 1em 1em 2em;
    background: $purple;
    align-self: flex-start;

    a {
      transform: skewX(15deg);
     	display: flex;
     	flex-direction: column;
     	align-items: center;
     	justify-content: center;
     	width: 1.4em;
     	height: 1.4em;
     	margin: 0;
     	padding: 0;
     	color: $lightgray;
     	font-size: 1.33em;
   	}
  }

  nav {
    display: flex;
   	flex-direction: row;
   	align-items: center;

   	hr {
     	height: 100%;
     	width: 0.2em;
     	background: $purple;
     	border: none;
     	transform: skewX(-15deg);
    }
    a {
     	display: flex;
     	align-items: center;
     	position: relative;
     	align-self: stretch;
     	margin: 0;
     	padding: 0 2em;
     	font-size: 1em;

     	i { font-size: 1.2em; }

     	&.title {
     	  margin: 0;
        text-align: center;
        padding: 0.5em 1em;
        font-size: 1.75em;

        img {
          height: 1.75em;
          width: 1.75em;
        }

        p {
          margin: 0;
          padding-left: 0.5em;
        }
     	}
    }
  }
}

.messages {
  & > * {
      padding: 1em 20%;
  }

  p.error {
    color: $red;
    background: lighten($red, 40%);
    margin: 0;
    max-width: initial;
  }
}

// Only enable label animations on normal screens
@media screen and (min-width: 600px) {
 	header nav a {
 	  i {
   		transition: all 0.2s ease;
   		margin: 0;
   	}

   	.mobile-label {
   		transition: all 0.2s ease;
   		display: block;
   		position: absolute;
   		left: 50%;
   		transform: translate(-50%, 0);
   		opacity: 0;
   		font-size: 0.9em;
   		white-space: nowrap;
   	}

   	img + .mobile-label { display: none; }

   	&:hover {
   	  i { margin-bottom: 0.75em; }
   	  .mobile-label {
   	    opacity: 1;
     		transform: translate(-50%, 80%);
   		}
    }
 	}
}