diff --git a/home/private_bin/executable_ssh-serve-files b/home/private_bin/executable_ssh-serve-files
index a7fa846..719bc49 100644
--- a/home/private_bin/executable_ssh-serve-files
+++ b/home/private_bin/executable_ssh-serve-files
@@ -1,6 +1,10 @@
 #!/usr/bin/env bash
 
-#colors
+BOLD="\033[1m"
+CYAN="\033[1;36m"
+GREEN="\033[1;33m"
+END="\033[0m"
+
 help() {
 	cat <<EOF
 
@@ -21,19 +25,27 @@ if [[ $# -eq 0 ]]; then
 	exit 1
 fi
 
+if [[ -z $BROWSER ]]; then
+	echo 'please set $BROWSER'
+	exit 1
+fi
+
 PORT=8090
-DIR="~/"
+DIR='~/'
 
 USER_HOST=$1
-shift
+case $USER_HOST in
+-h | --help)
+	help
+	exit 0
+	;;
+*)
+	shift
+	;;
+esac
 
 while [[ $1 =~ ^- && $1 != "--" ]]; do
-	echo checking $1
 	case $1 in
-	-h | --help)
-		help
-		exit 0
-		;;
 	-p | --port)
 		shift
 		PORT=${PORT:+$1}
@@ -42,8 +54,8 @@ while [[ $1 =~ ^- && $1 != "--" ]]; do
 		shift
 		DIR=${DIR:+$1}
 		;;
-	-* | --*)
-		echo "Invalid option: $opt"
+	-*)
+		echo "Invalid option: $1"
 		help
 		exit 1
 		;;
@@ -53,13 +65,15 @@ done
 
 URL="http://localhost:$PORT"
 
-echo "connecting to $USER_HOST with port $PORT"
+printf "connecting to ${BOLD}%s${END} with port ${GREEN}%s${END}\n" \
+	"$USER_HOST" "$PORT"
 echo "serving directory:"
-echo "->>$DIR"
+printf "  ${BOLD}->>${CYAN} %s${END}\n" "${DIR}"
 
-echo "opening $URL using $BROWSER"
-$BROWSER $URL >/dev/null 2>&1 &
+printf "opening ${BOLD}%s${END} using %s\n" "$URL" "$BROWSER"
+echo '---------------'
+"$BROWSER" "$URL" >/dev/null 2>&1 &
 
 # first change directory in case python<3.7
-ssh -tL localhost:$PORT:localhost:$PORT $USER_HOST \
+ssh -tL localhost:"$PORT":localhost:"$PORT" "$USER_HOST" \
 	"cd $DIR && python3 -m http.server $PORT"