Responsive Breakpoint Explorer

Cross-viewport layout failure detection & regression analysis across 6 standard viewport profiles

Breakpoint Timeline & Failure Markers

Click any icon marker to view element failure specifics and state transitions

High Instability Zone
360px
2 err
480px
2 err
640px
5 err
768px
4 err
1024px
1 err
1280px
0 err
Overlap
Unexpected Wrapping
Broken Grid
Alignment / Shift
Spacing Issue
Issue Disappears (✓)

Issue Inspector

New Layout Failure Appears
AFFECTED ELEMENT
Hero Badge
CSS SELECTOR
.hero-pill-badge
OBSERVED BREAKPOINT
640px (Tablet Portrait)
SEVERITY
MINOR
FAILURE DESCRIPTION & CROSS-VIEWPORT COMPARISON

Badge drifts 120px to the left of the centered hero heading due to absolute positioning offset.

Breakpoint Transition Breakdown

Summary of newly introduced, resolved, and persistent layout failures

Breakpoint New Issues Fixed Issues Persistent Issues
360px → 480px +1 new -1 fixed 1 persistent
480px → 640px +4 new -1 fixed 1 persistent
640px → 768px +1 new -2 fixed 3 persistent
768px → 1024px +0 new -3 fixed 1 persistent
1024px → 1280px +0 new -1 fixed 0 persistent

Layout Stability Graph

Viewport width (X-axis) vs Total detected issues (Y-axis) with instability peak highlighting

Hover or touch data points along the curve to inspect stability metrics and failure counts.