.fixTableHead { 
      overflow-y: auto; 
      height: 300px; 
    } 
    .fixTableHead thead th { 
      position: sticky; 
      top: 0; 
      
    } 
    thead { 
      position: sticky; 
      top: 0; 
      
    } 
    table { 
               
      width: 100%; 
      text-align:center;
      font-size: 0.8em;
      border-collapse: collapse;
    } 
    th, 
    td { 
      padding: 5px ; 
      border: 1px solid #000000; 
    } 
    th { 
      background: #FABF8F; 
      z-index: 15;
    }