#canvas { display: block; border: 1px solid black; } #buttons { display: none; } .edit-mode #buttons { display: block; } #tooltip { display: none; position: absolute; text-align: center; width: 260px; padding: 5px; background-color: #fefdd5; border: 1px solid #a4a274; border-radius: 7px; font: small arial, sans-serif; } #tooltip.visible { display: block; }
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To edit cells, place the wave in edit mode.
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