#id_heading { 
   height: 80px;
   background-color: #66ffff;
   margin: 20px;
   border: 4px groove #009999;
   padding: 10px;
   width: 40%;
   margin-left: auto;
   margin-right: auto;
}

#id_heading h1 { 
   text-align: center;
   color: center;
   margin-bottom: 0px;
   padding-bottom: 0px;
}

#id_heading h4 { 
   text-align: center;
   padding-top: 0px;
   margin-top: 10px;
}

#id_aknowledgement { 
   margin-right: auto;
   margin-left: auto;
   margin-top: 30px;
   width: 50%;
   background-color: #ffcc00;
   padding: 10px;
   border: 4px double #990066;
   text-align: center;
}

table { 
   clear: right;
   width: 70%;
   border: 3px ridge green;
   margin-right: auto;
   margin-left: auto;
   margin-top: 30px;
   border-collapse: collapse;
}

tr { 
   background-color: #ffffcc;
}

.titles th { 
   text-align: left;
   border-bottom: 4px solid red;
   background-color: #ccffcc;
   padding-left: 10px;
   line-height: 150%;
}

.tbl_hdr { 
   border-bottom: 4px solid red;
   font-size: x-large;
   line-height: 150%;
   color: blue;
}

td { 
   padding-left: 10px;
   border-bottom: 1px solid gray;
}

td.img_cell { 
   border-left: 4px solid red;
   width: 220px;
   background-color: #ffffff;
}

.img_cell img { 
   width: 200px;
   height: 200px;
}