.cell { 
   display: inline-block;
   margin-left: 0px;
   margin-right: 0px;
   margin-top: 0px;
   margin-bottom: 0px;
   border: 2px solid black;
   text-align: left;
   padding: 3px;
   width: 100%;
}

#table_header { 
   background-color: #99ff99; 
   text-align : center;
   padding: 5px;
}

.tan { background-color: #ffffcc; }

div span:hover { background-color: #99ff99;}

div span { display: block; 
           padding-top: 5px;
		   padding-bottom: 5px;}
           
div.adobe { width: 66.6%;
           margin-bottom: 0;
           margin-top: 0;
           margin-left: auto;
           margin-right: auto;}
#adobe_download { 
           margin-bottom: 0;
           margin-top: 0;
           margin-left: auto;
           margin-right: auto;}

@media only screen and (min-width: 600px) {
   .content_row { min-height: 240px; }
   .content_cell { min-height: 220Px; }
}