.mp-section { display: flex; flex-direction: row; flex-wrap: wrap; gap: 0 1.5em; } .mp-section > div { max-width: 100%; } .mp-section > .mp-flex-1-1 { flex-grow: 1; flex-shrink: 1; } .mp-section > .mp-flex-basis-300 { flex-basis: 300px; }