nav p {
        padding: 0.25em 0 0.25em 0;
        margin: 0.25em 0 0.25em 0;
        font-wieight: bold;
        font-size: 1.20em;
      }
      div.index_table {
        display: table;
      }
      div.index_table div {
        padding: 0.5em;
        margin: 0.5em;
        font-size: 0.90em;
        display: table-row;
      }
      div.index_table div:first-child {
      }
      div.index_table div div {
        padding: 0.2em;
        margin: 0.2em;
      }
      #firstrow {
        font-weight: bold;
      }
      div.index_table div div:nth-child(1) {
        text-align: left;
        display: table-cell;
        width: 5%;
      }
      div.index_table div div:nth-child(2) {
        text-align: left;
        display: table-cell;
        width: 5%;
      }
      div.index_table div div:nth-child(3) {
        text-align: left;
        display: table-cell;
        width: 60%;
      }
      div.index_table div div:nth-child(4) {
        text-align: left;
        display: table-cell;
        width: 10%;
      }
      div.index_table div div:nth-child(5) {
        text-align: left;
        display: table-cell;
        width: 10%;
      }
      div.index_table div div:nth-child(6) {
        text-align: left;
        display: table-cell;
        width: 10%;
      }
      div.index_table > div:nth-child(even) {
        background-color: rgb(255,255,255);
      }
      div.index_table > div:nth-child(odd) {
        background-color: rgb(243,245,244);
      }
      form b {
        font-size: 1.05em;
      }
      form a {
        font-size: 0.80em;
      }
      form input[type="text"] {
        width: 5em;
      }
      form select {
        max-width: 6em;
        min-width: 2em;
        color: #000;
      }
      form input[type="submit"] {
        width: 4em;
        padding: 0.1em 0 0.2em;
        margin: 0.1em 0 0.2em 1.5%;
        font-size: 0.85em;
        border-radius: 0.25em;
        color: rgb(243,245,244);
        background-color: #555;
        min-height: 1.25em;
      }
      section p {
        padding: 0.25em;
        font-weight: 125;
        font-size: 1.05em;
      }
      section div div div a {
        font-size: 1.0em;
      }
      section div div form b {
        width: 2em;
        font-size: 0.90em;
      }
 
      @media (max-width: 550px) {

        div.index_table {
          display: block;
          width: 100%;
        }
        div.index_table div {
          padding: 0.25em;
          margin: 0.25em;
          display: block;
          width: 100%;
        }
        #firstrow {
          display: none;
        }
        div.index_table div div:nth-child(1) {
          display: table-cell;
          font-size: 1.05em;
          width:  45%;
        }
        div.index_table div div:nth-child(2) {
          display: table-cell;
          font-size: 1.05em;
          width: 45%;
        }
        div.index_table div div:nth-child(3) {
          padding: 0 0.2em;
          font-size: 1.05em;
          text-align: left;
          display: block;
          width: 95%;
        }
        div.index_table div div:nth-child(4) {
          padding: 0 0.2em;
          text-align: left;
          font-size: 1.05em;
          display: block;
          width: 95%;
        }
        div.index_table div div:nth-child(5) {
          padding: 0 0.2em;
          text-align: left;
          display: block;
          font-size: 1.05em;
          width: 95%;
        }
        div.index_table div div:nth-child(6) {
          padding: 0 0.2em;
          text-align: left;
          display: block;
          font-size: 1.05em;
          width: 95%;
        }
        div.index_table div div:nth-child(1)::before {
          content: "PMID:";
          font-size: 0.9em;
          font-weight: bold;
          margin: 0 0.2em 0 0;
        }
        div.index_table div div:nth-child(2)::before {
          content: "Data:";
          font-size: 0.9em;
          font-weight: bold;
          margin: 0 0.2em 0 0;
        }
        div.index_table div div:nth-child(3)::before {
          content: "Article Title:";
          font-size: 0.9em;
          font-weight: bold;
          margin: 0 0.2em 0 0;
        }
        div.index_table div div:nth-child(4)::before {
          content: "Citation:";
          font-size: 0.9em;
          font-weight: bold;
          margin: 0 0.2em 0 0;
        }
        div.index_table div div:nth-child(5)::before {
          content: "Origanization:";
          font-size: 0.9em;
          font-weight: bold;
          margin: 0 0.2em 0 0;
        }
        div.index_table div div:nth-child(6)::before {
          content: "Files:";
          font-size: 0.9em;
          font-weight: bold;
          margin: 0 0.2em 0 0;
        }
        #firstrow {
          display: none;
        }
      }