Elad Shechter on Twitter: "Now you can unite #CSS 'vertical-padding' or 'horizontal-padding'. Works as well for the 'margin' and the 'border' properties. Supported in all updatable browsers. (while 'writing-mode' stays with its
CSS 概説 | ボックス
padding property (Windows) | Microsoft Learn
CSS Padding
CSS Padding | A Comprehensive Guide to CSS Padding
html - padding-top affects border? - Stack Overflow