html - Mat form field outline with border radius problem rendering - Stack Overflow
bug: --border-radius custom css style is not applied to left hand corners of controls · Issue #27116 · ionic-team/ionic-framework · GitHub
CodyHouse on Twitter: "🎉 Finally! The outline ring now (automatically) adapts to the element radius. In CSS: .outline { outline: 2px solid DarkOrchid; outline-offset: 2px; } It works in the latest releases
What is Outline radius in CSS ? - GeeksforGeeks
Create Complex Shapes with CSS Clip Path and Border Radius | egghead.io