diff --git a/include/default-theme.h b/include/default-theme.h
index c815032b..ce77e43a 100644
--- a/include/default-theme.h
+++ b/include/default-theme.h
@@ -7,6 +7,7 @@ const char *default_theme =
     "    background:                  #FFFDF6E3;"
     "    foreground:                  #FF002B36;"
     "    bordercolor:                 @foreground;"
+    "    separatorcolor:              @foreground;"
     "    red:                         #FFDC322F;"
     "    blue:                        #FF268BD2;"
     "    lightbg:                     #FFEEE8D5;"
@@ -33,10 +34,11 @@ const char *default_theme =
     "#window {"
     "    border:     1;"
     "    foreground: @foreground;"
+    "    background: #00000000;"
     "    padding:    5;"
-    "    background: @background;"
     "}"
     "#window.box {"
+    "    background: @background;"
     "    foreground: @bordercolor;"
     "}"
     "#window.mainbox {"
@@ -46,6 +48,7 @@ const char *default_theme =
     "#window.mainbox.message.box {"
     "    border:  1px dash 0px 0px ;"
     "    padding: 2px 0px 0px ;"
+    "    foreground: @separatorcolor;"
     "}"
     "#window.mainbox.message.normal {"
     "    foreground: @foreground;"
@@ -106,9 +109,10 @@ const char *default_theme =
     "    spacing: 0;"
     "}"
     "#window.mainbox.inputbar.box {"
+    "     border: 0px 0px 0px 0px;"
+    "     "
     "}"
     "#window.mainbox.inputbar.normal {"
     "    foreground: @foreground;"
-    "    background: @background;"
     "}";
 #endif
diff --git a/lexer/theme-lexer.l b/lexer/theme-lexer.l
index 4a58587c..b5ff4dd8 100644
--- a/lexer/theme-lexer.l
+++ b/lexer/theme-lexer.l
@@ -392,6 +392,15 @@ if ( queue == NULL ){
     yylval->colorval.blue  = val.b/255.0;
     return T_COLOR;
 }
+<PROPERTIES>#{HEX}{3}       {
+    union {  uint16_t val; struct { unsigned char b:4,g:4,r:4,a :4;};} val;
+    val.val = (uint16_t )g_ascii_strtoull ( &yytext[1], NULL, 16);
+    yylval->colorval.alpha = 1.0;
+    yylval->colorval.red   = val.r/16.0;
+    yylval->colorval.green = val.g/16.0;
+    yylval->colorval.blue  = val.b/16.0;
+    return T_COLOR;
+}
 <PROPERTIES>rgba\({NUMBER}{1,3},{NUMBER}{1,3},{NUMBER}{1,3},[01](\.{NUMBER}+)?\) {
     char *endptr = &yytext[5];
     yylval->colorval.red = g_ascii_strtoull ( endptr, &endptr, 10);