@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

.tabbrowser-tab,
.tabs-newtab-button {
background-size: 100% -moz-calc(100% - 2px) !important;
-moz-border-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAXCAQAAACVbWY0AAAAAXNSR0IArs4c6QAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sCCgw7Ce0kW7AAAAACYktHRAAAqo0jMgAAAOVJREFUKJGdUMEKgkAQfc5ukZQoHoJAMaJL4LGP6Rbdo3N/0J/1A32Al055SKGUYtPGJEg2OzSPgdl5vLczQwAMCHRhoo8Bp8m1gEHclvzwEWL+Qsi1CUnM9jBzgp2KLuU1uuyUE2CGHqED37EOyTYbxziO4212SIY2fGKj0Sb1UqS4o+Tken3GqCKsZY6cm2/kqxwWgc0mCuqDUJ5Cp57qgaKBRzVVZVZokPRar9QgaqtWhU78UlRHyYzrJ5DVCgE9/iToC0H1518Voo2wpaH3JRtN3RPfphmlG5O8Lfa8aTOKxf4JITp52BrKXVUAAAAASUVORK5CYII=") 4 5 3 6 / 4px 5px 3px 6px stretch !important;
border-radius: 10px 8px 0 0!important;
padding: 0 !important;
}

.tabbrowser-tab[pinned] .tab-reload-icon,
.tabbrowser-tab[pinned] .tab-protect-icon,
.tabbrowser-tab[pinned] .tab-lock-icon,
.tabbrowser-tab[pinned] .tab-icon-image,
.tabbrowser-tab[pinned] .tab-throbber {
margin-right: 2px !important;
margin-left: 2px !important;
}

.tabbrowser-tab[pinned],
.tabs-newtab-button {
max-width: 31px !important;
min-width: 31px !important;
}