.baloon { 
width: 70%;
 padding: 10px;
 background: #FFFFFF;
 position: relative;
 color: #000;
 border-radius: 5px;
 text-align: center;
	margin:0 auto 20px auto;

 }
.baloon:before { 
content: "";
 position: absolute;
 bottom: -20px;
 right: 10%;
 border: 10px solid transparent;
 border-top: 10px solid #FFFFFF;
 }