A pixel is the smallest unit value to render something with, but you can trick thickness with optical illusions by modifying colors (the eye ... ... <看更多>

Shorthand syntax. See notes below. Examples. CSS border width values. .medium { border-width: medium; } . ... <看更多>

However, it looks best if your borders are all the same width. Finally, border-color sets the colour. The colour value can be the name, hex value or rgb value. ... <看更多>

The CSS border properties are use to specify the style, color and size of the border of an element. In this ... ... <看更多>