diff --git a/stylish/thunderbird.css b/stylish/thunderbird.css
deleted file mode 100644
index 6d53185..0000000
--- a/stylish/thunderbird.css
+++ /dev/null
@@ -1,73 +0,0 @@
-.tabmail-tab{
-  border-radius: 0 !important;
-}
-.tab-background-start,
-.tab-background-end{
-  visibility: hidden !important;
-}
-.tab-background{
-  padding: 0;
-  margin: 0;
-  margin-bottom: 1px;
-  background-image: none !important;
-}
-.tab-background[selected=true]{
-  background-color: #242424 !important;
-  color: #fff;
-}
-.tab-background:hover{
-  background-color: #444;
-}
-.tabmail-tab:hover:not(:-moz-lwtheme) > .tab-stack > .tab-content > .tab-text{
- color: #fff;
-}
-
-.tab-close-button{
-  display: none !important;
-}
-.tab-close-button[selected],
-.tabmail-tab:hover .tab-close-button{
-  display: block !important;
-}
-
-.tab-background-middle{
-  background-image: none !important;
-  background-color: transparent !important;
-}
-.tabmail-tab[selected]:not(:-moz-lwtheme) > .tab-stack > .tab-content > .tab-text{
-  color: #fff !important;
-}
-.tabmail-tab:not(:-moz-lwtheme) > .tab-stack > .tab-content > .tab-text{
-  color: #999;
-  border: none !important;
-}
-.tabmail-arrowscrollbox > scrollbox{
-  padding-inline-start: 0;
-}
-
-#mailContent,
-#tabpanelcontainer,
-.tabmail-tabbox,
-tabmail,
-#tabmail-container{
-  border: none !important;
-  outline: none !important;
-  background-color: transparent !important;
-}
-.mail-toolbox{
-  background-color: #242424 !important;
-  background-image: none !important;
-  outline: none !important;
-  border: none !important;
-  color: #fff !important;
-}
-.mail-toolbox *{
-  color: #fff !important;
-}
-#tabmail-container{
-/*   display: none !important; */
-  border: none !important;
-  padding: 0 !important;
-  outline: none !important;
-/*   margin-top: -1px; */
-}