.bubble
{
 max-width:50%;
  margin:4%;
    padding: 15px 20px;
  clear: both;
  }
.chat-left
{
 background-color: lightgreen;
  border-radius: 30% 30% 30% 0;
  float: left;
}
.chat-right
{
 background: lightblue;
  border-radius: 30% 30% 0 30%;
  float: right;
}
.image-left
{
 border-radius: 30% 30% 30% 0; 
 max-width: 95%;
}
.image-right
{
 border-radius: 30% 30% 0 30%; 
 max-width: 95%;
}
footer
{
  padding: 650px;
}