Aktivitäts-Heatmap mit Tooltip

<div class="uvq08-hm"><p class="hd"><b>Klavierüben</b><span>Letzte 12 Wochen</span></p><div class="gd show" role="group" aria-label="Klavierüben"><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v2" data-m="34" aria-label="34 min" tabindex="-1"></button><button type="button" class="v2" data-m="31" aria-label="31 min" tabindex="-1"></button><button type="button" class="v1" data-m="6" aria-label="6 min" tabindex="-1"></button><button type="button" class="v3" data-m="53" aria-label="53 min" tabindex="-1"></button><button type="button" class="v4" data-m="69" aria-label="69 min" tabindex="-1"></button><button type="button" class="v2" data-m="37" aria-label="37 min" tabindex="-1"></button><button type="button" class="v1" data-m="16" aria-label="16 min" tabindex="-1"></button><button type="button" class="v2" data-m="21" aria-label="21 min" tabindex="-1"></button><button type="button" class="v3" data-m="49" aria-label="49 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v3" data-m="55" aria-label="55 min" tabindex="-1"></button><button type="button" class="v4" data-m="63" aria-label="63 min" tabindex="-1"></button><button type="button" class="v4" data-m="61" aria-label="61 min" tabindex="-1"></button><button type="button" class="v2" data-m="25" aria-label="25 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v2" data-m="35" aria-label="35 min" tabindex="-1"></button><button type="button" class="v1" data-m="8" aria-label="8 min" tabindex="-1"></button><button type="button" class="v3" data-m="46" aria-label="46 min" tabindex="-1"></button><button type="button" class="v1" data-m="19" aria-label="19 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v1" data-m="16" aria-label="16 min" tabindex="-1"></button><button type="button" class="v3" data-m="55" aria-label="55 min" tabindex="-1"></button><button type="button" class="v3" data-m="44" aria-label="44 min" tabindex="-1"></button><button type="button" class="v3" data-m="45" aria-label="45 min" tabindex="-1"></button><button type="button" class="v3" data-m="51" aria-label="51 min" tabindex="-1"></button><button type="button" class="v3" data-m="51" aria-label="51 min" tabindex="-1"></button><button type="button" class="v1" data-m="7" aria-label="7 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v2" data-m="35" aria-label="35 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v3" data-m="40" aria-label="40 min" tabindex="-1"></button><button type="button" class="v4" data-m="75" aria-label="75 min" tabindex="-1"></button><button type="button" class="v1" data-m="18" aria-label="18 min" tabindex="-1"></button><button type="button" class="v1" data-m="16" aria-label="16 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v3" data-m="49" aria-label="49 min" tabindex="-1"></button><button type="button" class="v2" data-m="36" aria-label="36 min" tabindex="-1"></button><button type="button" class="v4" data-m="70" aria-label="70 min" tabindex="-1"></button><button type="button" class="v1" data-m="9" aria-label="9 min" tabindex="-1"></button><button type="button" class="v2" data-m="22" aria-label="22 min" tabindex="-1"></button><button type="button" class="v2" data-m="22" aria-label="22 min" tabindex="-1"></button><button type="button" class="v3" data-m="53" aria-label="53 min" tabindex="-1"></button><button type="button" class="v3" data-m="50" aria-label="50 min" tabindex="-1"></button><button type="button" class="v2" data-m="35" aria-label="35 min" tabindex="-1"></button><button type="button" class="v4" data-m="69" aria-label="69 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v3" data-m="58" aria-label="58 min" tabindex="-1"></button><button type="button" class="v2" data-m="33" aria-label="33 min" tabindex="-1"></button><button type="button" class="v3" data-m="45" aria-label="45 min" tabindex="-1"></button><button type="button" class="v2" data-m="35" aria-label="35 min" tabindex="-1"></button><button type="button" class="v3" data-m="57" aria-label="57 min" tabindex="-1"></button><button type="button" class="v3" data-m="52" aria-label="52 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v3" data-m="54" aria-label="54 min" tabindex="-1"></button><button type="button" class="v3" data-m="44" aria-label="44 min" tabindex="-1"></button><button type="button" class="v4" data-m="62" aria-label="62 min" tabindex="-1"></button><button type="button" class="v3" data-m="51" aria-label="51 min" tabindex="-1"></button><button type="button" class="v0" data-m="0" aria-label="0 min" tabindex="-1"></button><button type="button" class="v3" data-m="53" aria-label="53 min" tabindex="-1"></button><button type="button" class="v1" data-m="10" aria-label="10 min" tabindex="-1"></button><button type="button" class="v2" data-m="32" aria-label="32 min" tabindex="-1"></button><button type="button" class="v2" data-m="34" aria-label="34 min" tabindex="-1"></button><button type="button" class="v2" data-m="37" aria-label="37 min" tabindex="-1"></button><button type="button" class="v3" data-m="58" aria-label="58 min" tabindex="-1"></button><button type="button" class="v3" data-m="50" aria-label="50 min" tabindex="-1"></button><button type="button" class="v1" data-m="14" aria-label="14 min" tabindex="-1"></button><button type="button" class="v3" data-m="43" aria-label="43 min" tabindex="-1"></button><button type="button" class="v2" data-m="31" aria-label="31 min" tabindex="-1"></button><button type="button" class="v3" data-m="46" aria-label="46 min" tabindex="-1"></button><button type="button" class="v4" data-m="63" aria-label="63 min" tabindex="-1"></button><button type="button" class="v2" data-m="38" aria-label="38 min" tabindex="-1"></button><button type="button" class="v3" data-m="49" aria-label="49 min" tabindex="-1"></button><button type="button" class="v2" data-m="25" aria-label="25 min" tabindex="-1"></button><button type="button" class="v2" data-m="33" aria-label="33 min" tabindex="-1"></button><button type="button" class="v2" data-m="37" aria-label="37 min" tabindex="-1"></button><button type="button" class="v3" data-m="44" aria-label="44 min" tabindex="-1"></button><button type="button" class="v4" data-m="73" aria-label="73 min" tabindex="-1"></button><button type="button" class="v3 on" data-m="48" aria-label="48 min" tabindex="0"></button><span class="tt" aria-hidden="true"><b>48 min</b><span>So., 25. Okt.</span></span></div><p class="lg" aria-hidden="true"><span>Weniger</span><i class="v0"></i><i class="v1"></i><i class="v2"></i><i class="v3"></i><i class="v4"></i><span>Mehr</span></p></div>