From 3248581928b5299525b32979c8a569ce9107fdfc Mon Sep 17 00:00:00 2001
From: katesalazar <mercedes.catherine.salazar@gmail.com>
Date: Fri, 13 May 2022 20:20:49 +0000
Subject: Bring back transparent background to figures

Black arrows are visible only in light theme (unless white background
for dark theme). Two-color arrows are visible in light theme and in
dark theme.
---
 bip-0174/coinjoin-workflow.tex | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'bip-0174/coinjoin-workflow.tex')

diff --git a/bip-0174/coinjoin-workflow.tex b/bip-0174/coinjoin-workflow.tex
index e0516ff..a325321 100644
--- a/bip-0174/coinjoin-workflow.tex
+++ b/bip-0174/coinjoin-workflow.tex
@@ -7,7 +7,7 @@
 \usepackage{lmodern}
 \renewcommand*\familydefault{\sfdefault}
 \usepackage{tikz}
-\usetikzlibrary{shapes,arrows}
+\usetikzlibrary{shapes,arrows.meta}
 \tikzset{>=latex}
 \begin{document}
 %  \sffamily{}
@@ -22,7 +22,7 @@
       rounded corners]
   \begin{tikzpicture}[auto]
     % outlining the flowchart on a grid
-    \matrix[column sep=3ex,row sep=2ex]{
+    \matrix[column sep=3ex,row sep=3ex]{
       \node [block_center] (0alice1)
       {Alice creates a PSBT with only her inputs
       with UTXOs filled in.\\Sends it to Bob.};
@@ -49,7 +49,13 @@
       \\
     };% end matrix
     % connecting nodes with paths
-    \draw[line width = 1pt, ->]
+    \draw [ultra thick, draw=black, -{Stealth[length=8pt]}]
+      (0alice1) edge (1bob1)
+      (1bob1) edge (2carol1)
+      (2carol1) edge (3bob2)
+      (3bob2) edge (4alice1)
+      (4alice1) edge (5alice2);
+    \draw [thin, white, -{Stealth[color=black, fill=white, length=8pt]}]
       (0alice1) edge (1bob1)
       (1bob1) edge (2carol1)
       (2carol1) edge (3bob2)
-- 
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