html - Make top border equal to width of the text in nav bar? - Stack Overflow
CSS border-top Property
CSS border-top-width Property - GeeksforGeeks
border-top-right-radius - CSS: Cascading Style Sheets | MDN
Hans Muller's WebKit Blog: Boxed Into Corners: Shapes, Boxes, and Corner Radii
Chapter 20: Layout Formatting – The Missing Link
border-top-widthプロパティとは？使い方を詳しく解説！ | ウェブカツBLOG
CSS border-top-width Proeprty - Studytonight
html - Setting border-top-width: 0px; on Input changes whole border appearance - Stack Overflow
CSS border-top-width Property - server2client.com
Características border-top-color en CSS - BigCode
CSS Borders | Border in CSS | Scaler Topics
CSS border-width Property (With Examples)
Box model
Mastering CSS Border Style: A Comprehensive Guide | LambdaTest
Box model
CSS border-top-width Property
border-top-width examples
CSS | Borders | border-width | Codecademy
css властивість border-top-width
CSS | Borders | border-width | Codecademy
CSS border-top-width Property - server2client.com
Css/Training/borders - W3C Wiki
