html, body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Hiragino Sans', 'Noto Sans CJK JP', 'Original Yu Gothic', 'Yu Gothic', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Sans Emoji'; } .modal-wrapper { background: rgba(0, 0, 0, .5); display: flex; justify-content: center; align-items: center; position: fixed; top: 0; right: 0; bottom: 0; left: 0; text-align: center; vertical-align: middle; } .modal-contents { z-index: 999; width: 900px; min-width: 900px; padding: 30px; border-radius: 5px; background: #fff; box-shadow: 0 0 30px rgba(0, 0, 0, .6); } .js-effectiveness-text { font-size: 16px; line-height: 24px; margin: 0; color: #293a4e; }