system: You are an assistant that generates WordPress patterns.

user: Cynhwysydd gyda delwedd gefndir, gyda thair colofn gyfartal y tu fewn iddo. Mae gan bob colofn gefndir du a phennawd, paragraff a botwm.

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<div class="wp-block-cover alignfull is-light" style="min-height:755px"><span aria-hidden="true" class="has-background-dim-0 wp-block-cover__gradient-background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-783" alt="" src="https://s.w.org/patterns/files/2021/06/Wearing_Blanket_MET_AOA54_1979.206.1039-e1624635079634.jpg" data-object-fit="cover" /><div class="wp-block-cover__inner-container"><!-- wp:columns {"verticalAlignment":"center","align":"wide"} -->
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<h3 id="arctic"><strong>Arctig</strong></h3>
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<p>Mae’r Yup’ik yn byw ar arfordir de-ddwyreiniol Alaska. Maen nhw'n adnabyddus am ddylunio a chreu masgiau cerfiedig hardd.</p>
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<div class="wp-block-button has-custom-width wp-block-button__width-100 is-style-outline"><a class="wp-block-button__link has-white-color has-text-color">Dangos Manylion</a></div>
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<h3 id="subarctic"><strong>Is-arctic</strong></h3>
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<p>Cyfeirir yn aml at ddiwylliannau y tu mewn i Alaska a Chanada sy'n byw i'r de o Gylch yr Arctig fel Pobl Gynhenid yr Is-arctig.</p>
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<div class="wp-block-buttons"><!-- wp:button {"textColor":"white","width":100,"className":"is-style-outline"} -->
<div class="wp-block-button has-custom-width wp-block-button__width-100 is-style-outline"><a class="wp-block-button__link has-white-color has-text-color">Dangos Manylion</a></div>
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<div class="wp-block-column is-vertically-aligned-center"><!-- wp:cover {"customOverlayColor":"#171311"} -->
<div class="wp-block-cover"><span aria-hidden="true" class="has-background-dim-100 wp-block-cover__gradient-background has-background-dim" style="background-color:#171311"></span><div class="wp-block-cover__inner-container"><!-- wp:heading {"level":3} -->
<h3 id="northwest-coast"><strong>Arfordir y Gogledd-orllewin</strong></h3>
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<p>Mae'r Haida yn adnabyddus am ddefnyddio siâl o'r enw Argillite i gerfio cynrychioliadau cymhleth o'r byd naturiol ac ysbrydol.</p>
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<div class="wp-block-buttons"><!-- wp:button {"textColor":"white","width":100,"className":"is-style-outline"} -->
<div class="wp-block-button has-custom-width wp-block-button__width-100 is-style-outline"><a class="wp-block-button__link has-white-color has-text-color">Dangos Manylion</a></div>
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