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index 59819eb241..5a8f41f21c 100644
--- a/book/src/.gitbook/assets/forks-pruned.svg
+++ b/book/src/.gitbook/assets/forks-pruned.svg
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+      fill-opacity: 1;
+      stroke-linecap: round;
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+    circle.solid {
+      fill:black;
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
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+      stroke-opacity: 1;
+      fill-opacity: 1;
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 </style>
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 <g>
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diff --git a/book/src/.gitbook/assets/forks.svg b/book/src/.gitbook/assets/forks.svg
index e57f128fca..725a73f5d3 100644
--- a/book/src/.gitbook/assets/forks.svg
+++ b/book/src/.gitbook/assets/forks.svg
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 <marker id="clear_triangle" markerHeight="10" markerWidth="10" orient="auto" refX="1" refY="7" viewBox="0 0 20 14">
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 <marker id="circle" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
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 <marker id="square" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
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-    stroke-width: 2;
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+    line,path {
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+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
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+    line.dashed {
+        stroke-dasharray: 5;
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+    circle.solid {
+      fill:black;
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
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+    circle.open {
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+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
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+    tspan.head{
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 </style>
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 <g>
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diff --git a/book/src/.gitbook/assets/tpu.svg b/book/src/.gitbook/assets/tpu.svg
index 633ea5eb95..1de96c7927 100644
--- a/book/src/.gitbook/assets/tpu.svg
+++ b/book/src/.gitbook/assets/tpu.svg
@@ -1,92 +1,74 @@
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-<polygon class="bg_fill" points="2,2 2,12 18,7 2,2"/>
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+    line,path {
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+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
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+    circle.solid {
+      fill:black;
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
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+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
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+    tspan.head{
+        fill: none;
+        stroke: none;
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 </style>
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+<rect fill="white" height="304" width="696" x="0" y="0"/>
 <g>
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