ensl.org/app/assets/stylesheets/themes/flat/layout/_header.scss

/*
  Banner
*/

header .banner {
  height: 140px;

  #logo {
    @include span-columns(9 of 12);
    min-height: 200px;
    position: relative;

    img {
      height: 200px;
      position: absolute;
      top: 15px;
      left: -40px;
      z-index: 1;
    }
  }

  #authentication {
    @include span-columns(5 of 12);
    @include shift(7);
    padding: 10px 0;
    color: white;
    position: relative;

    .logged {
      padding-top: 10px;
    }

    form.dark {
      @include span-columns(12);
      margin-top: 20px;
    }

    .buttons {
      @include span-columns(12);

      .login,
      .register {
        @include span-columns(6);
      }

      .login {
        input {
          @include button;
          float: right;
          margin-right: 0;
        }
      }

      .register {
        @include omega;
      }
    }

    .register a {
      display: block;
      float: right;
      clear: both;
    }

    a {
      color: white;

      &:hover {
        color: $light-blue;
      }
    }

    form {
      display: inline;
    }

    &.admin {
      
    }

    .fields { 
      @include span-columns(12);

      input {
        @include span-columns(6);
        margin-bottom: 10px;
      }
    }

    .controls {
      margin-top: 10px;
      text-align: right;

      input {
        @include span-columns(12);
        margin-bottom: 10px;
      }

      a {
        @include span-columns(12);
        text-align: left;
      }
    }

    .password-reset {
      float: right;
    }

    .links {
      position: absolute;
      right: 0;
      padding-right: 105px;

      li {
        text-align: right;
      }

      li i {
        display: inline-block;
        width: 1em;
        text-align: center;
        margin: 0 10px;
      }
    }

    .avatar {
      box-shadow: $content-shadow;
      border-radius: $base-border-radius;
      border: 2px solid $blue;
      width: 100px;
      height: 100px;
      float: right;
      background: {
        size: cover;
        position: center;
        repeat: no-repeat;
      }
    }
  }

  &.authenticated {

    #authentication {
      @include span-columns(3 of 12);
      @include shift(9);
    }
  }
}