Made by Rich Tabor using the following materials: Group block.
<!-- wp:group {"align":"wide","style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}}},"backgroundColor":"foreground"} -->
<div class="wp-block-group alignwide has-foreground-background-color has-background" style="padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#111111"},"border":{"width":"0px","style":"none"}}} -->
<div class="wp-block-group has-background" style="background-color:#111111;border-style:none;border-width:0px;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#161616"}}} -->
<div class="wp-block-group has-background" style="background-color:#161616;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#212121"}}} -->
<div class="wp-block-group has-background" style="background-color:#212121;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#2b2b2b"}}} -->
<div class="wp-block-group has-background" style="background-color:#2b2b2b;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#363636"}}} -->
<div class="wp-block-group has-background" style="background-color:#363636;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#414141"}}} -->
<div class="wp-block-group has-background" style="background-color:#414141;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#4c4c4c"}}} -->
<div class="wp-block-group has-background" style="background-color:#4c4c4c;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#575757"}}} -->
<div class="wp-block-group has-background" style="background-color:#575757;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#626262"}}} -->
<div class="wp-block-group has-background" style="background-color:#626262;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#6d6d6d"}}} -->
<div class="wp-block-group has-background" style="background-color:#6d6d6d;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#787878"}}} -->
<div class="wp-block-group has-background" style="background-color:#787878;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#828282"}}} -->
<div class="wp-block-group has-background" style="background-color:#828282;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#8d8d8d"}}} -->
<div class="wp-block-group has-background" style="background-color:#8d8d8d;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#989898"}}} -->
<div class="wp-block-group has-background" style="background-color:#989898;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#a3a3a3"}}} -->
<div class="wp-block-group has-background" style="background-color:#a3a3a3;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#aeaeae"}}} -->
<div class="wp-block-group has-background" style="background-color:#aeaeae;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#b9b9b9"}}} -->
<div class="wp-block-group has-background" style="background-color:#b9b9b9;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#c4c4c4"}}} -->
<div class="wp-block-group has-background" style="background-color:#c4c4c4;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#cecece"}}} -->
<div class="wp-block-group has-background" style="background-color:#cecece;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#d9d9d9"}}} -->
<div class="wp-block-group has-background" style="background-color:#d9d9d9;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#e4e4e4"}}} -->
<div class="wp-block-group has-background" style="background-color:#e4e4e4;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#efefef"}}} -->
<div class="wp-block-group has-background" style="background-color:#efefef;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#fafafa"}}} -->
<div class="wp-block-group has-background" style="background-color:#fafafa;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#efefef"}}} -->
<div class="wp-block-group has-background" style="background-color:#efefef;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#e4e4e4"}}} -->
<div class="wp-block-group has-background" style="background-color:#e4e4e4;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#d9d9d9"}}} -->
<div class="wp-block-group has-background" style="background-color:#d9d9d9;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#cecece"}}} -->
<div class="wp-block-group has-background" style="background-color:#cecece;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#c4c4c4"}}} -->
<div class="wp-block-group has-background" style="background-color:#c4c4c4;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#b9b9b9"}}} -->
<div class="wp-block-group has-background" style="background-color:#b9b9b9;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#aeaeae"}}} -->
<div class="wp-block-group has-background" style="background-color:#aeaeae;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#a3a3a3"}}} -->
<div class="wp-block-group has-background" style="background-color:#a3a3a3;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#989898"}}} -->
<div class="wp-block-group has-background" style="background-color:#989898;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#8d8d8d"}}} -->
<div class="wp-block-group has-background" style="background-color:#8d8d8d;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#828282"}}} -->
<div class="wp-block-group has-background" style="background-color:#828282;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#787878"}}} -->
<div class="wp-block-group has-background" style="background-color:#787878;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#6d6d6d"}}} -->
<div class="wp-block-group has-background" style="background-color:#6d6d6d;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#626262"}}} -->
<div class="wp-block-group has-background" style="background-color:#626262;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#575757"}}} -->
<div class="wp-block-group has-background" style="background-color:#575757;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#4c4c4c"}}} -->
<div class="wp-block-group has-background" style="background-color:#4c4c4c;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#414141"}}} -->
<div class="wp-block-group has-background" style="background-color:#414141;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#363636"}}} -->
<div class="wp-block-group has-background" style="background-color:#363636;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#2b2b2b"}}} -->
<div class="wp-block-group has-background" style="background-color:#2b2b2b;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#212121"}}} -->
<div class="wp-block-group has-background" style="background-color:#212121;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#161616"}}} -->
<div class="wp-block-group has-background" style="background-color:#161616;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#0b0b0b"}}} -->
<div class="wp-block-group has-background" style="background-color:#0b0b0b;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"10px","right":"10px","bottom":"10px","left":"10px"}},"color":{"background":"#050505"}}} -->
<div class="wp-block-group has-background" style="background-color:#050505;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px"><!-- wp:group {"style":{"spacing":{"padding":{"top":"7px","right":"7px","bottom":"7px","left":"7px"}}},"backgroundColor":"foreground"} -->
<div class="wp-block-group has-foreground-background-color has-background" style="padding-top:7px;padding-right:7px;padding-bottom:7px;padding-left:7px"></div>
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