http://bennettfeely.com/clippy/
This will shaping your image into shape inside the css..
circle
-webkit-clip-path: circle(50% at 50% 50%);
clip-path: circle(50% at 50% 50%);
Square
-webkit-clip-path: inset(10% 10% 10% 10%);
clip-path: inset(10% 10% 10% 10%);
diamond/rhombus
-webkit-clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
Triangle
-webkit-clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
Messages
-webkit-clip-path: polygon(0% 0%, 100% 0%, 100% 75%, 75% 75%, 75% 100%, 50% 75%, 0% 75%);
clip-path: polygon(0% 0%, 100% 0%, 100% 75%, 75% 75%, 75% 100%, 50% 75%, 0% 75%);
Pentagon
-webkit-clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
Heksagon
-webkit-clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
Chevron
Left
-webkit-clip-path: polygon(100% 0%, 75% 50%, 100% 100%, 25% 100%, 0% 50%, 25% 0%);
clip-path: polygon(100% 0%, 75% 50%, 100% 100%, 25% 100%, 0% 50%, 25% 0%);
right
-webkit-clip-path: polygon(75% 0%, 100% 50%, 75% 100%, 0% 100%, 25% 50%, 0% 0%);
clip-path: polygon(75% 0%, 100% 50%, 75% 100%, 0% 100%, 25% 50%, 0% 0%);
Arrow
left
-webkit-clip-path: polygon(40% 0%, 40% 20%, 100% 20%, 100% 80%, 40% 80%, 40% 100%, 0% 50%);
clip-path: polygon(40% 0%, 40% 20%, 100% 20%, 100% 80%, 40% 80%, 40% 100%, 0% 50%);
right
-webkit-clip-path: polygon(0% 20%, 60% 20%, 60% 0%, 100% 50%, 60% 100%, 60% 80%, 0% 80%);
clip-path: polygon(0% 20%, 60% 20%, 60% 0%, 100% 50%, 60% 100%, 60% 80%, 0% 80%);
Point left
-webkit-clip-path: polygon(25% 0%, 100% 1%, 100% 100%, 25% 100%, 0% 50%);
clip-path: polygon(25% 0%, 100% 1%, 100% 100%, 25% 100%, 0% 50%);
Point Right
-webkit-clip-path: polygon(0% 0%, 75% 0%, 100% 50%, 75% 100%, 0% 100%);
clip-path: polygon(0% 0%, 75% 0%, 100% 50%, 75% 100%, 0% 100%);
Frame
-webkit-clip-path: polygon(0% 0%, 0% 100%, 25% 100%, 25% 25%, 75% 25%, 75% 75%, 25% 75%, 25% 100%, 100% 100%, 100% 0%);
clip-path: polygon(0% 0%, 0% 100%, 25% 100%, 25% 25%, 75% 25%, 75% 75%, 25% 75%, 25% 100%, 100% 100%, 100% 0%);
Cross
-webkit-clip-path: polygon(20% 0%, 0% 20%, 30% 50%, 0% 80%, 20% 100%, 50% 70%, 80% 100%, 100% 80%, 70% 50%, 100% 20%, 80% 0%, 50% 30%);
clip-path: polygon(20% 0%, 0% 20%, 30% 50%, 0% 80%, 20% 100%, 50% 70%, 80% 100%, 100% 80%, 70% 50%, 100% 20%, 80% 0%, 50% 30%);
