css border radius top

1#rcorners {
2  border-radius: 25px;
3}

1/* Radius is set for all 4 sides */
2border-radius: 10px;
3
4/* top-left-and-bottom-right | top-right-and-bottom-left */
5border-radius: 10px 5%;
6
7/* top-left | top-right-and-bottom-left | bottom-right */
8border-radius: 2px 4px 2px;
9
10/* top-left | top-right | bottom-right | bottom-left */
11border-radius: 1px 0 3px 4px;
12
13/* The syntax of the second radius allows one to four values */
14/* first radius / radius */
15border-radius: 10px / 20px;
16/* first radius => corner point to left or right side*/
17/* second radius => corner point to top or bottom side*/
18/* radius => corner point to both sides*/

1#roundCornerID {
2    border-radius: 30%;
3    width: 200px;
4    height: 150px;   
5}

1.div {
2	border-radius: 15px 50px 30px 5px; /*TL TR BR BL*/
3  	border-radius: 15px 50px 30px; /*TL TRBL BR*/
4  	border-radius: 15px 50px; /*TLBR TRBL*/
5  	border-radius: 15px; /*All corners*/
6}