Join a triangle and a div http://jsfiddle.net/togwsmme/21/
.btn {
width: 100px;
height: 100px;
background: red;
float: left;
}
.rit {
float: left;
width: 0;
height: 0;
border-top: 100px solid red;
border-right: 100px solid transparent;
}
<div class="btn">Content</div>
<div class="rit"></div>
5
solved How do I create a trapezoidal button using CSS? [duplicate]