mastodon/app/assets/stylesheets/dashboard.scss

.dashboard-wrapper {
  background: #282c37;
  border-radius: 4px;
  margin: 20px auto;
  width: 940px;
  display: flex;

  .dashboard__sidebar {
    width: 240px;
    border-radius: 4px 0 0 4px;

    .dashboard__top-bar {
      border-radius: 4px 0 0 0;
    }

    ul {
      padding: 20px 0;

      a {
        display: block;
        padding: 7px 20px;
        color: #d9e1e8;
        text-decoration: none;
        font-size: 14px;
        font-weight: 400;

        .fa {
          display: inline-block;
          width: 18px;
          text-align: center;
          margin-right: 5px;
        }
      }

      .active {
        a {
          background: darken(#282c37, 5%);
          border-left: 2px solid #2b90d9;
          padding-left: 18px;
        }
      }
    }
  }

  .dashboard__current-user {
    padding: 20px;

    a {
      text-decoration: none;
      color: inherit;
    }

    .dashboard__current-user__avatar {
      display: block;
      width: 50px;
      height: 50px;
      border-radius: 50px;
      float: left;
      margin-right: 15px;
    }

    .dashboard__current-user__display-name {
      font-weight: 500;
      font-size: 13px;
      color: #d9e1e8;
      display: block;
      margin-top: 5px;
    }

    .dashboard__current-user__username {
      font-size: 12px;
      display: block;
      color: #2b90d9;
    }
  }

  .dashboard__logo {
    color: #2b90d9;

    span {
      font-weight: 500;
    }
  }

  .dashboard__top-bar {
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #d9e1e8;
    color: #282c37;
    font-size: 16px;
    overflow: hidden;

    &.alternate {
      background: lighten(#282c37, 10%);
      border-bottom: 1px solid lighten(#282c37, 10%);
      text-align: center;
    }

    ul {
      float: right;
      list-style: none;
      display: block;

      li {
        display: inline-block;
      }
    }

    a {
      color: #9baec8;
      text-decoration: none;
    }
  }

  .dashboard__content {
    flex: 1;
    background: #d9e1e8;
    border-radius: 0 4px 4px 0;

    .dashboard__content__content {
      //padding: 20px;
    }

    .dashboard__top-bar {
      border-radius: 0 4px 0 0;
    }
  }

}