curved border css w3schools code example
Example 1: css rounded corners
/* Set rounded corners with border-radius property */
.class {
border-radius: 4px;
}
.circle {
border-radius: 50%;
}
Example 2: How to make a round corner in CSS
#roundCornerID {
border-radius: 30%;
width: 200px;
height: 150px;
}