display: grid?fr and px stand for in CSS Grid?grid-template-columns: 1fr 2fr set?grid-column-start and grid-column-end looks like?HTML
<!-- HTML --> <div class="grid"> <div>Box 1</div> <div>Box 2</div> <div>Box 3</div> <div>Box 4</div> <div>Box 5</div> <div>Box 6</div> </div>
display: grid to .grid200px, the second with 1fr, the third with 2frgrid-column-start, grid-column-end, grid-row-start, grid-row-end+---------+------------+ | header | header | +---------+------------+ | nav | content | +---------+------------+ | footer | footer | +---------+------------+
grid-template-areas