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-rw-r--r--content/know/concept/bloch-sphere/index.pdc2
1 files changed, 1 insertions, 1 deletions
diff --git a/content/know/concept/bloch-sphere/index.pdc b/content/know/concept/bloch-sphere/index.pdc
index 27abb54..7f0dfda 100644
--- a/content/know/concept/bloch-sphere/index.pdc
+++ b/content/know/concept/bloch-sphere/index.pdc
@@ -19,7 +19,7 @@ the **Bloch sphere** is an invaluable tool to visualize qubits.
All pure qubit states are represented by a point on the sphere's surface:
<a href="bloch.jpg">
-<img src="bloch-small.jpg" style="width:50%;display:block;margin:auto;">
+<img src="bloch-small.jpg" style="width:50%">
</a>
The $x$, $y$ and $z$-axes represent the components of a spin-1/2-alike system,