grid-template-columns: auto auto auto;
grid-column-gap: 12px;

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grid-template-columns: 20% 30% 50%;
grid-column-gap: 12px;

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grid-template-columns: calc(20% - 8px)
calc(30% - 8px) calc(50% - 8px);
grid-column-gap: 12px;

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grid-template-columns: auto auto auto;
grid-column-gap: 3%;

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grid-template-columns: 18% 28% 48%;
grid-column-gap: 3%;

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