body {
    font-family: sans-serif;
    font-size: 18px;
/*    background: #FFFFEE;*/
}

.row {
      padding: 10px;
}
  
button {
    background:  #0084ff;
    border: medium;
    border-radius: 5px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: bold;
    color: #fff;
}

button.highlightColumn {
    background: rgb(205, 90, 161);
}

#heading {
    height: 40px;
/*
    background: -webkit-linear-gradient(top, #666 0%,#000 100%);
    background: -o-linear-gradient(top, #666 0%,#000 100%);
    background: -moz-linear-gradient(top, #666 0%,#000 100%);
    background: -ms-linear-gradient(top, #666 0%,#000 100%);
    background: linear-gradient(to bottom, #666 0%,#000 100%);
*/
    font: 1.5em "Arial", sans-serif;
/*
    line-height: 50px;
*/
    color: #FFF;
    text-align: center;
    padding-bottom:10px;
}

/*  commented out when i added the code below 
table, tr, td, th {
    margin: 0;
    padding-bottom: 5px;
    padding-top:5px;
    text-align: center;
    border: none;
    }
*/      

/*added by me, got it from internet, not sure why it works */
table,tbody, tr, th, td {
	margin: 0;
	padding: 0;
  /*border: 13px solid black;*/
  /*border-collapse: collapse;*/
	outline: 0;
	font-weight: inherit;
	font-style: inherit;
	font-size: 20px; /*100%   /* removed a bug here */
	font-family: inherit;
  vertical-align: baseline;
  text-align: center;
}

table {
  border: 1px solid lightslategray;
}

  tr {
  /*  border-bottom: 1px solid lightgrey;*/
  }

  tr.last {
    border-bottom: none;
  }

  td {
    font-size: 20px;
    font-weight: bold;
  }
  
  th {
    font-size: 20px;
    font-weight: bold;
    border-collapse: collapse;
    padding: -10px;
  }
  
  thead > tr > th {
    background: #CCCCFF;
  }
  
  tbody > tr > th {
    background: #CCCCCC;
  }

  #row1 {
    padding: 3px;
    font-size: 20px;
  }