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Grokking CSS Design Patterns to Ace Interviews

Adaptive Dashboard Widget and Filter Panel Visibility

Explore how to create an adaptive dashboard by controlling visibility and layout of widgets, sidebars, and filter panels using CSS only. Learn to apply advanced selectors and responsive design techniques across defined breakpoints to ensure smooth user experiences on all devices.

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Problem description

Given an HTML page structured with the following elements:

  • A container <div class="dashboard-container"> wrapping all elements

  • Inside, <aside class="sidebar"> containing navigation icons and <span class="label"> for each link

  • <div class="main-content"> containing:

    • <div class="filter-panel"> with input fields (collapsed by default)

    • <button class="filter-toggle">Filter</button> (positioned floating in corners of small viewports)

    • <section class="widgets"> holding:

      • <div class="widget-summary">—summary metrics

      • <div class="widget-detail detail-1">—detail widget 1 ...