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← CSS
○CSS Rule Demo: Style an Exhibit Card○Exercise: Write Your First CSS Rule○CSS Selectors Demo: Target Exhibit Details○Exercise: Target Exhibit Details○Apply CSS Demo: Three Sources○Exercise: Apply CSS Three Ways○Specificity Demo: Resolve a Style Conflict○Exercise: Resolve Specificity✦Module Quiz
○Color Palette Demo○Color Palette Exercise○Background Layer Demo○Background Layer Exercise○Type Rhythm Demo○Type Rhythm Exercise○Borders and Shadows Demo○Exercise: Borders and Shadows✦Module Quiz
○Box Model Demo: Seed Packet Card○Exercise: Space a Seed Packet○Display Demo: Swap Table Labels○Exercise: Arrange Swap Table Labels○Positioning Demo: Pickup Pin○Exercise: Pin the Pickup Location○Sizing and Overflow Demo○Exercise: Size a Seed-Swap Notice✦Module Quiz
○Advanced Selectors Demo: Book Cart Sign○Exercise: Target a Book Cart Sign○Pseudo-Classes Demo: Night Cart States○Exercise: Style Night Cart States○Pseudo-Elements Demo○Exercise: Add a Book-Quote Mark
○Lantern Market navigation demo○Lantern Market navigation exercise
○Community garden request card demo○Community garden request card exercise
○Flex Direction Demo○Exercise: Flex Direction○Main-Axis Spacing Demo○Exercise: Main-Axis Spacing○Cross-Axis Alignment Demo○Exercise: Cross-Axis Alignment○Wrapping and Flex Items Demo○Exercise: Wrapping and Flex Items○Flexbox Navigation Demo○Exercise: Flexbox Navigation
○Grid Tracks Demo○Exercise: Grid Tracks○Grid Gaps Demo○Exercise: Grid Gaps○Grid Placement Demo○Exercise: Grid Placement○Responsive Grid Demo○Exercise: Responsive Grid
○River radio schedule demo○River radio schedule exercise
○Field note color system demo○Field note color system exercise○Transforms Demo○Exercise: Rotate a Field Note
○Kite festival signal demo○Kite festival signal exercise
○Garden forecast demo○Harbor forecast exercise●Fluid sizing demo○Fluid weather bulletin exercise✦Module Quiz
○Seed inventory table demo○Tool checkout table exercise✦Module Quiz
○Community maker profile demo○Maker profile sheet exercise✦Module Quiz

Fluid sizing demo

A breakpoint can flip a grid at a chosen width. This park forecast instead lets available space determine the layout between sizes.

In style.css, .page-shell uses width: min(90%, 46rem): it takes the smaller of 90% of its container or 46rem, keeping a margin on narrow screens and a readable limit on wide ones. .bulletin uses repeat(auto-fit, minmax(12rem, 1fr)). Each card column needs at least 12rem; when there is room, the columns expand and another card fits beside the first. gap keeps them apart. .card uses clamp(.75rem, 2vw, 1.5rem) for padding: the middle value follows viewport width but never goes below or above the limits. These are three independent sizing decisions; no media query is needed here.

Try the demo

Resize the preview from narrow to wide and watch the cards move from a stack to a row. Change 12rem to 16rem briefly; the cards need more room before sharing a row. Restore the original value afterward.

Checkpoint: You can point to the width cap, the column minimum, and the padding bounds in the stylesheet. Next you will make similar choices for a different forecast.

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