diff --git a/1-js/09-classes/02-class-inheritance/animal-rabbit-extends.svg b/1-js/09-classes/02-class-inheritance/animal-rabbit-extends.svg
index b40558d9..2f994f7b 100644
--- a/1-js/09-classes/02-class-inheritance/animal-rabbit-extends.svg
+++ b/1-js/09-classes/02-class-inheritance/animal-rabbit-extends.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="467" height="316" viewBox="0 0 467 316"><defs><style>@import url(https://fonts.googleapis.com/css?family=Open+Sans:bold,italic,bolditalic%7CPT+Mono);@font-face{font-family:&apos;PT Mono&apos;;font-weight:700;font-style:normal;src:local(&apos;PT MonoBold&apos;),url(/font/PTMonoBold.woff2) format(&apos;woff2&apos;),url(/font/PTMonoBold.woff) format(&apos;woff&apos;),url(/font/PTMonoBold.ttf) format(&apos;truetype&apos;)}</style></defs><g id="inheritance" fill="none" fill-rule="evenodd" stroke="none" stroke-width="1"><g id="animal-rabbit-extends.svg"><path id="Rectangle-1" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M242 23h185v64H242z"/><text id="constructor:-Animal" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="252" y="42">constructor: Animal</tspan> <tspan x="252" y="57">run: function</tspan> <tspan x="252" y="72">stop: function</tspan></text><path id="Rectangle-1-Copy" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M242 286h185v28H242z"/><text id="Animal.prototype" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="241" y="15">Animal.prototype</tspan></text><path id="Rectangle-1-Copy-4" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M242 166h185v48H242z"/><text id="constructor:-Rabbit" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="252" y="185">constructor: Rabbit</tspan> <tspan x="252" y="200">hide: function</tspan></text><text id="Rabbit.prototype" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="241" y="158">Rabbit.prototype</tspan></text><path id="Rectangle-1-Copy-2" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M11 23h105v48H11z"/><text id="Animal" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="10" y="15">Animal</tspan></text><path id="Rectangle-1-Copy-3" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M11 166h105v48H11z"/><text id="Rabbit" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="10" y="158">Rabbit</tspan></text><text id="new-Rabbit" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="247" y="278">new Rabbit</tspan></text><path id="Line" fill="#EE6B47" fill-rule="nonzero" d="M330.5 96.5l7 14h-6v28h-2v-28h-6l7-14z"/><path id="Line-Copy" fill="#EE6B47" fill-rule="nonzero" d="M211 40l14 7-14 7v-6h-79v-2h79v-6z"/><text id="[[Prototype]]" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="340" y="120">[[Prototype]]</tspan></text><path id="Line-Copy-3" fill="#EE6B47" fill-rule="nonzero" d="M330.5 230.5l7 14h-6v28h-2v-28h-6l7-14z"/><text id="[[Prototype]]-Copy" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="340" y="254">[[Prototype]]</tspan></text><text id="prototype" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="139" y="35">prototype</tspan></text><path id="Line-Copy-2" fill="#EE6B47" fill-rule="nonzero" d="M211 182l14 7-14 7v-6h-79v-2h79v-6z"/><text id="prototype-copy" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="139" y="176">prototype</tspan></text><text id="name:-&quot;White-Rabbit&quot;" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="253" y="304">name: &quot;White Rabbit&quot;</tspan></text><text id="constructor" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="17" y="41">constructor</tspan></text><text id="constructor-copy" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="17" y="183">constructor</tspan></text><ellipse id="Oval" cx="391.5" cy="117.5" stroke="#EE6B47" rx="70.5" ry="20.5"/></g></g></svg>
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+<svg xmlns="http://www.w3.org/2000/svg" width="560" height="316" viewBox="0 0 560 316"><defs><style>@import url(https://fonts.googleapis.com/css?family=Open+Sans:bold,italic,bolditalic%7CPT+Mono);@font-face{font-family:&apos;PT Mono&apos;;font-weight:700;font-style:normal;src:local(&apos;PT MonoBold&apos;),url(/font/PTMonoBold.woff2) format(&apos;woff2&apos;),url(/font/PTMonoBold.woff) format(&apos;woff&apos;),url(/font/PTMonoBold.ttf) format(&apos;truetype&apos;)}</style></defs><g id="inheritance" fill="none" fill-rule="evenodd" stroke="none" stroke-width="1"><g id="animal-rabbit-extends.svg"><path id="Rectangle-1" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M242 23h185v64H242z"/><text id="constructor:-Animal" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="252" y="42">constructor: Animal</tspan> <tspan x="252" y="57">run: function</tspan> <tspan x="252" y="72">stop: function</tspan></text><path id="Rectangle-1-Copy" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M242 286h185v28H242z"/><text id="Animal.prototype" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="241" y="15">Animal.prototype</tspan></text><path id="Rectangle-1-Copy-4" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M242 166h185v48H242z"/><text id="constructor:-Rabbit" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="252" y="185">constructor: Rabbit</tspan> <tspan x="252" y="200">hide: function</tspan></text><text id="Rabbit.prototype" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="241" y="158">Rabbit.prototype</tspan></text><path id="Rectangle-1-Copy-2" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M11 23h105v48H11z"/><text id="Animal" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="10" y="15">Animal</tspan></text><path id="Rectangle-1-Copy-3" fill="#FFF9EB" stroke="#E8C48E" stroke-width="2" d="M11 166h105v48H11z"/><text id="Rabbit" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="10" y="158">Rabbit</tspan></text><text id="new-Rabbit" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="247" y="278">new Rabbit</tspan></text><path id="Line" fill="#EE6B47" fill-rule="nonzero" d="M330.5 96.5l7 14h-6v28h-2v-28h-6l7-14z"/><path id="Line-Copy" fill="#EE6B47" fill-rule="nonzero" d="M211 40l14 7-14 7v-6h-79v-2h79v-6z"/><path id="Line-Copy-4" fill="#EE6B47" fill-rule="nonzero" d="M489.157 87.31l.533.847-26.232 16.515 7.761-.384.05.999-10.555.523 5.034-9.292.879.476-3.702 6.831 26.232-16.515z"/><text id="[[Prototype]]" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="340" y="120">[[Prototype]]</tspan></text><path id="Line-Copy-3" fill="#EE6B47" fill-rule="nonzero" d="M330.5 230.5l7 14h-6v28h-2v-28h-6l7-14z"/><text id="[[Prototype]]-Copy" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="340" y="254">[[Prototype]]</tspan></text><text id="prototype" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="139" y="35">prototype</tspan></text><path id="Line-Copy-2" fill="#EE6B47" fill-rule="nonzero" d="M211 182l14 7-14 7v-6h-79v-2h79v-6z"/><text id="prototype-copy" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="139" y="176">prototype</tspan></text><text id="name:-&quot;White-Rabbit&quot;" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="253" y="304">name: &quot;White Rabbit&quot;</tspan></text><text id="constructor" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="17" y="41">constructor</tspan></text><text id="constructor-copy" fill="#8A704D" font-family="PTMono-Regular, PT Mono" font-size="14" font-weight="normal"><tspan x="17" y="183">constructor</tspan></text><ellipse id="Oval" cx="391.5" cy="117.5" stroke="#EE6B47" rx="70.5" ry="20.5"/><text id="extends" fill="#EE6B47" font-family="PTMono-Regular, PT Mono" font-size="16" font-weight="normal"><tspan x="489" y="83">extends</tspan></text></g></g></svg>
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diff --git a/figures.sketch b/figures.sketch
index 227f969d..8c920b70 100644
Binary files a/figures.sketch and b/figures.sketch differ