{"slug":"mengto-css-alpha-masking","source_name":"mengto/css-alpha-masking","name":"Mengto/CSS Alpha Masking","description":"Apply CSS alpha masking with linear-gradient for horizontal or vertical edge fades (mask-image and -webkit-mask-image). Use when asked for alpha masks, fade edges, or CSS mask gradients.","version":1,"lift":{"pass_rate_delta_pts":13.64,"pass_rate_pct":86.4,"total_cases":22,"passed_cases":19,"tokens_delta_pct":-15.6,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-10T08:33:38.839931+00:00"},"skill_score":null,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":13.64,"with_pass_pct":86.4,"without_pass_pct":72.7,"tokens_delta_pct":-15.6,"turns_delta_pct":0,"total_cases":22,"cases_aggregated":22,"verdict":"mixed","never_hurt":false,"completed_at":"2026-08-10T08:33:38.839931+00:00","run_id":"5c0d09d9-06fa-4ef4-90f1-bc8c20a4a999","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"manifest_hash":"e4652d5c3d0e7dd07afa4f3009bd11e0fda8eaa0de179f2652905b022d98fdd6","raw_url":"https://app.decimal.ai/s/mengto-css-alpha-masking/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/mengto-css-alpha-masking"}