#histograms {
    display: block;
    max-width: 100%;

    .histogram {
      display: inline-block;
      overflow-x: auto;
    }
    
    div {
      margin-top: 10px;
    }

    #matched-histogram { 
      .bar {

       }
    }
  
    #max-att-histogram { 
      .bar {
          fill: black;
      }
    }
  }

  .pos-selector {
    margin-bottom: 40px;
  }