diff --git a/mimetreeparser/autotests/data/mailheader.css b/mimetreeparser/autotests/data/mailheader.css
deleted file mode 100644
--- a/mimetreeparser/autotests/data/mailheader.css
+++ /dev/null
@@ -1,457 +0,0 @@
-div.header {
-  margin-bottom: 10pt ! important;
-}
-
-pre.highlightattachment {
-  white-space: pre-wrap;
-}
-
-table.textAtm {
-  margin-top: 10pt ! important;
-  margin-bottom: 10pt ! important;
-}
-
-tr.textAtmH,
-tr.textAtmB,
-tr.rfc822B {
-  font-weight: normal ! important;
-}
-
-tr.signInProgressH,
-tr.rfc822H,
-tr.encrH,
-tr.signOkKeyOkH,
-tr.signOkKeyBadH,
-tr.signWarnH,
-tr.signErrH {
-  font-weight: bold ! important;
-}
-
-tr.textAtmH td,
-tr.textAtmB td {
-  padding: 3px ! important;
-}
-
-table.rfc822 {
-  width: 100% ! important;
-  border: solid 1px black ! important;
-  margin-top: 10pt ! important;
-  margin-bottom: 10pt ! important;
-}
-
-table.textAtm,
-table.encr,
-table.signWarn,
-table.signErr,
-table.signOkKeyBad,
-table.signOkKeyOk,
-table.signInProgress,
-
-div.htmlWarn {
-  margin: 0px 5% ! important;
-  padding: 10px ! important;
-  text-align: left ! important;
-  line-height: normal;
-}
-
-div.quotelevelmark {
-  position: absolute;
-  margin-left:-10px;
-}
-
-@media screen {
-
-body {
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-  color: #1f1c1b ! important;
-  background-color: #ffffff ! important;
-}
-
-a {
-  color: #0057ae ! important;
-  text-decoration: none ! important;
-}
-
-a.white {
-  color: white ! important;
-}
-
-a.black {
-  color: black ! important;
-}
-
-table.textAtm { background-color: #1f1c1b ! important; }
-
-tr.textAtmH {
-  background-color: #ffffff ! important;
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-}
-
-tr.textAtmB {
-  background-color: #ffffff ! important;
-}
-
-table.signInProgress,
-table.rfc822 {
-  background-color: #ffffff ! important;
-}
-
-tr.signInProgressH,
-tr.rfc822H {
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-}
-
-table.encr {
-  background-color: #0069cc ! important;
-}
-
-tr.encrH {
-  background-color: #0080ff ! important;
-  color: #ffffff ! important;
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-}
-
-tr.encrB { background-color: #e0f0ff ! important; }
-
-table.signOkKeyOk {
-  background-color: #33cc33 ! important;
-}
-
-tr.signOkKeyOkH {
-  background-color: #40ff40 ! important;
-  color: #27ae60 ! important;
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-}
-
-tr.signOkKeyOkB { background-color: #e8ffe8 ! important; }
-
-table.signOkKeyBad {
-  background-color: #cccc33 ! important;
-}
-
-tr.signOkKeyBadH {
-  background-color: #ffff40 ! important;
-  color: #f67400 ! important;
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-}
-
-tr.signOkKeyBadB { background-color: #ffffe8 ! important; }
-
-table.signWarn {
-  background-color: #cccc33 ! important;
-}
-
-tr.signWarnH {
-  background-color: #ffff40 ! important;
-  color: #f67400 ! important;
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-}
-
-tr.signWarnB { background-color: #ffffe8 ! important; }
-
-table.signErr {
-  background-color: #cc0000 ! important;
-}
-
-tr.signErrH {
-  background-color: #ff0000 ! important;
-  color: #da4453 ! important;
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-}
-
-tr.signErrB { background-color: #ffe0e0 ! important; }
-
-div.htmlWarn {
-  border: 2px solid #ff4040 ! important;
-  line-height: normal;
-}
-
-div.header {
-  font-family: "Sans Serif" ! important;
-  font-size: 0px ! important;
-}
-
-div.senderpic{
-  padding: 0px ! important;
-  font-size:0.8em ! important;
-  border:1px solid #b3aba7 ! important;
-  background-color:#d6d2d0 ! important;
-}
-
-div.senderstatus{
-  text-align:center ! important;
-}
-
-div.quotelevel1 {
-  color: #008000 ! important;
-  font-style: italic ! important;
-}
-
-div.quotelevel2 {
-  color: #007000 ! important;
-  font-style: italic ! important;
-}
-
-div.quotelevel3 {
-  color: #006000 ! important;
-  font-style: italic ! important;
-}
-
-div.deepquotelevel1 {
-  color: #008000 ! important;
-  font-style: italic ! important;
-}
-
-div.deepquotelevel2 {
-  color: #007000 ! important;
-  font-style: italic ! important;
-}
-
-div.deepquotelevel3 {
-  color: #006000 ! important;
-  font-style: italic ! important;
-}
-
-blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #008000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #007000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #006000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #008000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #007000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #006000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #008000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #007000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #006000;
-  unicode-bidi: -webkit-plaintext
-}
-
-.quotemarks{
-  color:transparent;
-  font-size:0px;
-}
-
-input[type=checkbox].addresslist_checkbox {display: none}
-.addresslist_label_short {border: 1px; border-radius: 5px; padding: 0px 10px 0px 10px; white-space: nowrap}
-.addresslist_label_full {border: 1px; border-radius: 5px; padding: 0px 10px 0px 10px; white-space: nowrap}
-.addresslist_label_short {background-image:url(file:///opt/kde5-qt5.10/share/libmessageviewer/pics/quicklistOpened.png);
-background-repeat: no-repeat}
-.addresslist_label_full {background-image:url(file:///opt/kde5-qt5.10/share/libmessageviewer/pics/quicklistClosed.png);
-background-repeat: no-repeat}
-
-input ~ span.fullFullCcAddressList {display: block}
-input ~ span.shortFullCcAddressList {display: none}
-input:checked ~ span.fullFullCcAddressList {display: none}
-input:checked ~ span.shortFullCcAddressList {display: block}
-
-input ~ span.fullFullToAddressList {display: block}
-input ~ span.shortFullToAddressList {display: none}
-input:checked ~ span.fullFullToAddressList {display: none}
-input:checked ~ span.shortFullToAddressList {display: block}
-
-input ~ span.fullFullBccAddressList {display: block}
-input ~ span.shortFullBccAddressList {display: none}
-input:checked ~ span.fullFullBccAddressList {display: none}
-input:checked ~ span.shortFullBccAddressList {display: block}
-
-}
-@media print {
-
-body {
-  font-family: "Sans Serif" ! important;
-  font-size: 9pt ! important;
-  color: #000000 ! important;
-  background-color: #ffffff ! important
-}
-
-tr.textAtmH,
-tr.signInProgressH,
-tr.rfc822H,
-tr.encrH,
-tr.signOkKeyOkH,
-tr.signOkKeyBadH,
-tr.signWarnH,
-tr.signErrH,
-div.header {
-  font-family: "Sans Serif" ! important;
-  font-size: 9pt ! important;
-}
-
-div.spamheader {
-  display:none ! important;
-}
-
-div.htmlWarn {
-  border: 2px solid #ffffff ! important;
-  line-height: normal;
-}
-
-div.senderpic{
-  font-size:0.8em ! important;
-  border:1px solid black ! important;
-  background-color:#d6d2d0 ! important;
-}
-
-div.senderstatus{
-  text-align:center ! important;
-}
-
-div.noprint {
-  display:none ! important;
-}
-
-blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #008000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #007000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #006000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #008000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #007000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #006000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #008000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #007000;
-  unicode-bidi: -webkit-plaintext
-}
-
-blockquote blockquote blockquote blockquote blockquote blockquote blockquote blockquote blockquote {
-  margin: 4pt 0 4pt 0;
-  padding: 0 0 0 1em;
-  border-left: 2px solid #006000;
-  unicode-bidi: -webkit-plaintext
-}
-
-.quotemarks{
-  color:transparent;
-  font-size:0px;
-}
-
-.quotemarksemptyline{
-  color:transparent;
-  font-size:0px;
-  line-height: 12pt;
-}
-
-input[type=checkbox].addresslist_checkbox {display: none}
-.addresslist_label_short {border: 1px; border-radius: 5px; padding: 0px 10px 0px 10px; white-space: nowrap}
-.addresslist_label_full {border: 1px; border-radius: 5px; padding: 0px 10px 0px 10px; white-space: nowrap}
-.addresslist_label_short {background-image:url(file:///opt/kde5-qt5.10/share/libmessageviewer/pics/quicklistOpened.png);
-background-repeat: no-repeat}
-.addresslist_label_full {background-image:url(file:///opt/kde5-qt5.10/share/libmessageviewer/pics/quicklistClosed.png);
-background-repeat: no-repeat}
-
-input ~ span.fullFullCcAddressList {display: block}
-input ~ span.shortFullCcAddressList {display: none}
-input:checked ~ span.fullFullCcAddressList {display: none}
-input:checked ~ span.shortFullCcAddressList {display: block}
-
-input ~ span.fullFullToAddressList {display: block}
-input ~ span.shortFullToAddressList {display: none}
-input:checked ~ span.fullFullToAddressList {display: none}
-input:checked ~ span.shortFullToAddressList {display: block}
-
-input ~ span.fullFullBccAddressList {display: block}
-input ~ span.shortFullBccAddressList {display: none}
-input:checked ~ span.fullFullBccAddressList {display: none}
-input:checked ~ span.shortFullBccAddressList {display: block}
-
-}