css3 button edge code example
Example 1: round button css
.btn {
display:block;
height: 300px;
width: 300px;
border-radius: 50%;
border: 1px solid red;
}
Example 2: css button style rectangle
<div class="placeholder-box">
<button type="button"> Button Text Here </button>
<p>Nunc condimentum mauris elit</p>
<ul>
<li>Duis quis eros felis</li>
<li>Nulla facilisi</li>
</ul>
</div>