±ß¿ò°ë¾¶ | border-radius

/* The syntax of the first radius allows one to four values */
/* Radius is set for all 4 sides */
border-radius: 10px;

/* top-left-and-bottom-right | top-right-and-bottom-left */
border-radius: 10px 5%;

/* top-left | top-right-and-bottom-left | bottom-right */
border-radius: 2px 4px 2px;

/* top-left | top-right | bottom-right | bottom-left */
border-radius: 1px 0 3px 4px;

/* The syntax of the second radius allows one to four values */
/* (first radius values) / radius */
border-radius: 10px 5% / 20px;

/* (first radius values) / top-left-and-bottom-right | top-right-and-bottom-left */
border-radius: 10px 5% / 20px 30px;

/* (first radius values) / top-left | top-right-and-bottom-left | bottom-right */
border-radius: 10px 5px 2em / 20px 25px 30%;

/* (first radius values) / top-left | top-right | bottom-right | bottom-left */
border-radius: 10px 5% / 20px 25em 30px 35em;

border-radius: inherit;

Applies to all elements; but User Agents are not required to apply to `table` and `inline-table` elements when [`border-collapse`](border-collapse) is `collapse`. The behavior on internal table elements is undefined for the moment.. It also applies to [`::first-letter`](::first-letter).   [Inherited](inheritance) no   Percentages refer to the corresponding dimension of the border box   Media visual   [Computed value](computed_value) as each of the properties of the shorthand:

Animation type as each of the properties of the shorthand:

Canonical order the unique non-ambiguous order defined by the formal grammar  

border-radius: 1em/5em;

/* is equivalent to */

border-top-left-radius:     1em 5em;
border-top-right-radius:    1em 5em;
border-bottom-right-radius: 1em 5em;
border-bottom-left-radius:  1em 5em;

border-radius: 4px 3px 6px / 2px 4px;

/* is equivalent to: */

border-top-left-radius:     4px 2px;
border-top-right-radius:    3px 4px;
border-bottom-right-radius: 6px 2px;
border-bottom-left-radius:  3px 4px;

<length-percentage>{1,4} [ / <length-percentage>{1,4} ]?where 
<length-percentage> = <length> | <percentage>

  border: solid 10px;
  /* the border will curve into a 'D' */  
  border-radius: 10px 40px 40px 10px;
  

  border: groove 1em red;  
  border-radius: 2em;

  background: gold;
  border: ridge gold;
  border-radius: 13em/3em; 

  border: none;
  border-radius: 40px 10px;  

  border: none;
  border-radius: 50%; 

  border: dotted;
  border-width: 10px 4px;
  border-radius: 10px 40px;

  border: dashed;
  border-width: 2px 4px;
  border-radius: 40px;