Responsive Designs

devices
Media queries with flexbox for responsive layouts
swap_horiz
flex-direction changes for mobile vs. desktop
wrap_text
flex-wrap for adaptive content flow
aspect_ratio
flex-basis for responsive sizing
smartphone
Mobile-first approach with flexbox
code Responsive Flexbox Code
.container {
  display: flex;
  flex-wrap: wrap;
}

.item {
  flex: 1 1 300px;
}

/* Mobile-first responsive design */
@media (min-width: 768px) {
  .container {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .item {
    flex: 1 1 200px;
  }
}
devices Holy Grail Layout
Header
Sidebar
Main Content
Sidebar
Footer
smartphone Mobile-First
Start with column layout, add rows for larger screens
tablet Tablet Layout
Two-column layout with flex-direction: row
desktop_windows Desktop Layout
Multi-column layout with flexible widths
aspect_ratio Fluid Layout
flex-basis: % for proportional sizing