body { margin: 0; padding: 0; height: 100vh; display: flex; justify-content: center; align-items: center; background-color: #f3f4f6; font-family: -apple-system, sans-serif; }
.container { background: white; border: 1px solid #e5e7eb; width: 320px; border-radius: 12px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); padding: 8px 0; }
.flexbox { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; font-size: 16px; color: #374151; cursor: pointer; transition: background 0.2s; }
.flexbox:hover { background-color: #f9fafb; }
.notifications { color: white; background-color: #3b82f6; padding: 2px 10px; border-radius: 999px; font-size: 14px; font-weight: 600; }