"2016.12.08" css some of the black technology 2

1, Border-radius

Basically, a lot of people use it this way:

{     Border-radius: 4px;}

A little bit higher

{    Border-radius: 4px 6px 6px 4px;}

This is how the ultimate black technology is used.

{     Border-radius: 10px 10px 30px 2px/50px 50px 10px 3px;}

Effect

Border-radius It can assign 8 values:
The front of the slash is in the horizontal direction, and the slash behind it affects the vertical direction,
Each number represents four different directions.

2. Multi-Frame

{    box-shadow: 0 0 0 6px rgba (0, 0, 0, 0.2), 0 0 0 12px rgba (0, 0, 0, 0.2), 0 0 0 18px rgba (0, 0, 0, 0.2), 0 0 0 24px rgba (0, 0, 0, 0.2);     height: 200px;     margin: 50px auto;     width: 400px}

"2016.12.08" css some of the black technology 2