Cut UI Clutter: Replace Redundant Borders with Space & Surface Design

1 Requirements Goal

The task was to reorganize the deployment target list's container and option borders so that test, staging, production groups and the current selection state become clearer. The learning objective is to identify border responsibilities and replace repetitive dividers with space and background while keeping selection and focus cues.

2 Initial Implementation

The first version applied a 2px border to both the environment list container and each individual option to show test, staging, production environments and the current selection.

Figure 1: Container and options using multiple border layers.

3 Problem Analysis

3.1 Main Issues

Multiple borders repeatedly describe similar boundaries, increasing the number of outlines. The currently selected option must be recognized among these lines; separation lines and status cues lack clear division of labor.

We first need to determine which borders express independent areas, which express grouping, and which express selection or input scope.

3.2 Design Principles

Borders are only one method to distinguish content. Adjacent background differences, inter-group spacing, and appropriate shadows can also express area relationships.

Alternative approaches must take over the original responsibilities. After removing duplicate lines, necessary control boundaries, selection, and focus must remain clear; a completely borderless result is not the goal.

4 Optimization Implementation

4.1 Boundary Cleanup

Check container outer frame and option borders category by category. First use background and spacing to differentiate areas, then remove boundaries that have already been replaced.

Retain the staging environment's checkmark and text so that state meaning does not rely solely on background color.

4.2 Style Implementation

The following CSS snippet shows the space-and-surface approach. The full component still requires selection semantics, state markers, and focus styles.

.environment-list, .environment-option { border: 0; } .environment-list { background: #f4f7fa; padding: 24px; } .environment-option { padding: 18px; margin-top: 10px; background: #fff; } .environment-option.selected { background: #e1ecfc; }

4.3 Step-by-Step Verification

Remove one category of lines at a time, then verify whether grouping remains distinguishable. If backgrounds are too similar and shadows too weak, reassess whether necessary boundaries must be kept.

Error, selected, and focus states may coexist; each must be expressible without one state covering another's important cues.

5 Effect Verification

Figure 2: Using spacing and background for grouping, retaining current selection info.

The adjustment reduces duplicate borders while keeping options and current selection clear.

☐ Container and each environment option grouping is clear.

☐ Current staging environment's text and checkmark remain recognizable.

☐ Actual keyboard focus is visible and not confused with selection state.

6 Application & Practice

Remove lines from the environment list one by one, recording the original responsibility and the alternative cue each time.

Deliver a boundary checklist stating which borders were deleted and which were retained, then use keyboard navigation to verify that focus and current selection remain distinguishable.