.bubble 
{
position: relative;
width: 570px;
height: 120px;
padding: 0px;
background: #FFFFFF;
-webkit-border-radius: 10px;
-moz-border-radius: 10px;
border-radius: 10px;
border: #000000 solid 3px;
}

.bubble:after 
{
content: '';
position: absolute;
border-style: solid;
border-width: 15px 15px 15px 0;
border-color: transparent #FFFFFF;
display: block;
width: 0;
z-index: 1;
left: -15px;
top: 45px;
}

.bubble:before 
{
content: '';
position: absolute;
border-style: solid;
border-width: 17px 17px 17px 0;
border-color: transparent #000000;
display: block;
width: 0;
z-index: 0;
left: -20px;
top: 43px;
}