Thiết Kế Responsive Không Cần Media Queries Flexbox Grid Font chữ Đùa thôi Kết https://medium.com/samsung-internet-dev/common-responsive-layouts-with-css-grid-and-some-without-245a862f48df https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout/Realizing_common_layouts_using_CSS_Grid_Layout