The issue seems to be that your solution does not grow divs with their content. My HTML does not specify size at every level.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><title>action URL</title><META http-equiv="Content-Type" content="text/html; charset=utf-8"/><META http-equiv="Content-Style-Type" content="text/css"/><META http-equiv="Content-Script-Type" content="text/javascript"/><META http-equiv="X-UA-Compatible" content="IE=5"/><META HTTP-EQUIV="Location" CONTENT="http://demo.forerunnersw.com/ReportServer?%2FNorthwind%20Test%20Reports%2Faction%20URL"/><META HTTP-EQUIV="Uri" CONTENT="http://demo.forerunnersw.com/ReportServer?%2FNorthwind%20Test%20Reports%2Faction%20URL"/><META HTTP-EQUIV="Last-Modified" CONTENT="12/10/2013 00:48:40"><META NAME="Generator" CONTENT="Microsoft Report 8.0 "/><META NAME="Originator" CONTENT="Microsoft Report 8.0 "/><style type="text/css">.ap{background-color:Transparent;border:1pt none Black;}.a16xB{border:1pt none Black;background-color:Transparent;}.a4{word-wrap:break-word;white-space:pre-wrap;padding-left:2pt;padding-top:2pt;padding-right:2pt;padding-bottom:2pt;border:1pt none Black;background-color:Transparent;font-style:normal;font-family:Arial;font-size:10pt;font-weight:400;text-decoration:none;unicode-bidi:normal;color:Black;direction:ltr;layout-flow:horizontal;writing-mode:lr-tb;vertical-align:top;text-align:left;}.a9{border:1pt solid #d3d3d3;background-color:White;}.a14{border:1pt solid #d3d3d3;background-color:White;}.r1{HEIGHT:100%;WIDTH:100%}.r2{HEIGHT:100%;WIDTH:100%;overflow:hidden}.r3{HEIGHT:100%}.r4{border-style:none}.r5{border-left-style:none}.r6{border-right-style:none}.r7{border-top-style:none}.r8{border-bottom-style:none}.r10{border-collapse:collapse}.r9{border-collapse:collapse;table-layout:fixed}.r11{WIDTH:100%;overflow-x:hidden}.r12{position:absolute;display:none;background-color:white;border:1px solid black;}.r13{text-decoration:none;color:black;cursor:pointer;}.r14{font-size:0pt}.r15{direction:RTL;unicode-bidi:embed}.r16{margin-top:0pt;margin-bottom:0pt}.r17{HEIGHT:100%;WIDTH:100%;display:inline-table}.r18{HEIGHT:100%;display:inline-table} * { -webkit-box-sizing: border-box; box-sizing: border-box }</style></head><body style="BORDER: 0px; MARGIN: 0px; PADDING: 0px">
</html>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><title>action URL</title><META http-equiv="Content-Type" content="text/html; charset=utf-8"/><META http-equiv="Content-Style-Type" content="text/css"/><META http-equiv="Content-Script-Type" content="text/javascript"/><META http-equiv="X-UA-Compatible" content="IE=5"/><META HTTP-EQUIV="Location" CONTENT="http://demo.forerunnersw.com/ReportServer?%2FNorthwind%20Test%20Reports%2Faction%20URL"/><META HTTP-EQUIV="Uri" CONTENT="http://demo.forerunnersw.com/ReportServer?%2FNorthwind%20Test%20Reports%2Faction%20URL"/><META HTTP-EQUIV="Last-Modified" CONTENT="12/10/2013 00:48:40"><META NAME="Generator" CONTENT="Microsoft Report 8.0 "/><META NAME="Originator" CONTENT="Microsoft Report 8.0 "/><style type="text/css">.ap{background-color:Transparent;border:1pt none Black;}.a16xB{border:1pt none Black;background-color:Transparent;}.a4{word-wrap:break-word;white-space:pre-wrap;padding-left:2pt;padding-top:2pt;padding-right:2pt;padding-bottom:2pt;border:1pt none Black;background-color:Transparent;font-style:normal;font-family:Arial;font-size:10pt;font-weight:400;text-decoration:none;unicode-bidi:normal;color:Black;direction:ltr;layout-flow:horizontal;writing-mode:lr-tb;vertical-align:top;text-align:left;}.a9{border:1pt solid #d3d3d3;background-color:White;}.a14{border:1pt solid #d3d3d3;background-color:White;}.r1{HEIGHT:100%;WIDTH:100%}.r2{HEIGHT:100%;WIDTH:100%;overflow:hidden}.r3{HEIGHT:100%}.r4{border-style:none}.r5{border-left-style:none}.r6{border-right-style:none}.r7{border-top-style:none}.r8{border-bottom-style:none}.r10{border-collapse:collapse}.r9{border-collapse:collapse;table-layout:fixed}.r11{WIDTH:100%;overflow-x:hidden}.r12{position:absolute;display:none;background-color:white;border:1px solid black;}.r13{text-decoration:none;color:black;cursor:pointer;}.r14{font-size:0pt}.r15{direction:RTL;unicode-bidi:embed}.r16{margin-top:0pt;margin-bottom:0pt}.r17{HEIGHT:100%;WIDTH:100%;display:inline-table}.r18{HEIGHT:100%;display:inline-table} * { -webkit-box-sizing: border-box; box-sizing: border-box }</style></head><body style="BORDER: 0px; MARGIN: 0px; PADDING: 0px">
<DIV dir="LTR" style="direction:ltr" ID="oReportDiv">
<DIV style="WIDTH:100%;" class="ap">
<TABLE CELLSPACING="0" CELLPADDING="0">
<TR>
<TD ID="oReportCell">
<TABLE CELLSPACING="0" CELLPADDING="0" BORDER="0" class="a16xB">
<TR>
<TD style="vertical-align:top">
<TABLE CELLSPACING="0" CELLPADDING="0" BORDER="0" COLS="6" LANG="en-US" class="r10" style="WIDTH:175.1543mm">
<TR>
<TD style="HEIGHT:9.49mm;WIDTH:0.00mm"></TD>
<TD style="WIDTH:6.05mm;min-width: 6.05mm;"></TD>
<TD style="WIDTH:147.37mm;min-width: 147.37mm;"></TD>
<TD style="WIDTH:9.00mm;min-width: 9.00mm;"></TD>
<TD style="WIDTH:8.20mm;min-width: 8.20mm;"></TD>
<TD style="WIDTH:4.53mm;min-width: 4.53mm;"></TD>
</TR>
<TR VALIGN="top">
<TD style="HEIGHT:6.35mm;WIDTH:0.00mm"></TD>
<TD></TD>
<TD>
<TABLE CELLSPACING="0" CELLPADDING="0" LANG="en-US" style="">
<TR>
<TD style="WIDTH:147.37mm;min-width: 145.96mm;HEIGHT:6.35mm;" class="a4">
<DIV style="WIDTH:145.96mm;">Action go to URL</DIV>
</TD>
</TR>
</TABLE>
</TD>
<TD ROWSPAN="2" COLSPAN="3"></TD>
</TR>
<TR>
<TD style="HEIGHT:6.09mm;WIDTH:0.00mm"></TD>
<TD COLSPAN="2"></TD>
</TR>
<TR VALIGN="top">
<TD style="HEIGHT:89.16mm;WIDTH:0.00mm"></TD>
<TD></TD>
<TD COLSPAN="2">
<DIV>
<IMG BORDER="0" style="HEIGHT:89.16mm;WIDTH:156.37mm;min-width: 156.37mm;" class="a9" SRC="http://demo.forerunnersw.com/ReportServer?%2FNorthwind%20Test%20Reports%2Faction%20URL&rs%3ASessionID=tg54tn45wcrea0innb0l1n55&rs%3AFormat=HTML4.0&rs%3AImageID=C_7iT0_1"/>
</DIV>
</TD>
<TD ROWSPAN="2" COLSPAN="2"></TD>
</TR>
<TR>
<TD style="HEIGHT:7.94mm;WIDTH:0.00mm"></TD>
<TD COLSPAN="3"></TD>
</TR>
<TR VALIGN="top">
<TD style="HEIGHT:53.71mm;WIDTH:0.00mm"></TD>
<TD></TD>
<TD COLSPAN="3">
<DIV>
<IMG BORDER="0" style="HEIGHT:53.71mm;WIDTH:164.57mm;min-width: 164.57mm;" class="a14" SRC="http://demo.forerunnersw.com/ReportServer?%2FNorthwind%20Test%20Reports%2Faction%20URL&rs%3ASessionID=tg54tn45wcrea0innb0l1n55&rs%3AFormat=HTML4.0&rs%3AImageID=C_16iT1_1"/>
</DIV>
</TD>
<TD></TD>
</TR>
</TABLE>
</TD>
</TR>
</TABLE>
</TD>
<TD WIDTH="100%" HEIGHT="0"></TD>
</TR>
<TR>
<TD WIDTH="0" HEIGHT="100%"></TD>
</TR>
</TABLE>
</DIV>
</DIV>
<div style="page-break-after:always">
<hr/>
</div>
<DIV dir="LTR" style="WIDTH:100%;direction:ltr">
<DIV style="WIDTH:100%;" class="ap">
<TABLE CELLSPACING="0" CELLPADDING="0">
<TR>
<TD>
<TABLE CELLSPACING="0" CELLPADDING="0" BORDER="0" style="WIDTH:175.15mm;min-width: 175.15mm;HEIGHT:3.41mm;" class="a16xB">
<TR>
<TD style="HEIGHT:3.41mm;WIDTH:175.15mm;min-width: 175.15mm;font-size:1pt"> </TD>
</TR>
</TABLE>
</TD>
<TD WIDTH="100%" HEIGHT="0"></TD>
</TR>
<TR>
<TD WIDTH="0" HEIGHT="100%"></TD>
</TR>
</TABLE>
</DIV>
</DIV></html>