Zu geringer Kontrast erschwert das Lesen von Texten deutlich.
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Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 1.13:1. Recommendation: change background to #767676.
Selector: #tab-button-oekostrom-975
Kontext: <button class="tab-button oekostrom active" data-tab="#tab-oekostrom-975" role="tab" aria-selected="false" aria-controls="tab-oekostrom-975" id="tab-button-oekostrom-975">Ökostr...