diff --git a/src/elements/circular/cylinder.scss b/src/elements/circular/cylinder.scss
index 47b2c0d..10b9591 100644
--- a/src/elements/circular/cylinder.scss
+++ b/src/elements/circular/cylinder.scss
@@ -10,7 +10,7 @@
     
     & > .strip {
         position: absolute;
-        width: calc(2 * 3.19 * var(--pradius) / var(--pstripcount));
+        width: calc(2 * 3.18 * var(--pradius) / var(--pstripcount));
         height: var(--height, 100px);
         background: white;
     }
diff --git a/src/elements/figure.scss b/src/elements/figure.scss
index 722e305..9bf1afd 100644
--- a/src/elements/figure.scss
+++ b/src/elements/figure.scss
@@ -21,6 +21,7 @@
         margin-block-end: 0;
         position: absolute;
         pointer-events: none;
+        backface-visibility: hidden;
     }
     
     & .position-at-center {