/* CSS talk bubble */
.talk-bubble {
  margin-right: 5px;
  margin-left: 5px;
  margin-top: 15px;
  margin-bottom: 15px;
  display: inline-block;
  position: relative;
  width: auto;
  height: auto;
  background-color: lightskyblue;
}
.border {
  border: 8px solid #666;
}
.round {
  border-radius: 30px;
  -webkit-border-radius: 30px;
  -moz-border-radius: 30px;
}

/* Right triangle placed top left flush. */
.tri-right.border.left-top:before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: -40px;
  right: auto;
  top: -8px;
  bottom: auto;
  border: 32px solid;
  border-color: #666 transparent transparent transparent;
}
.tri-right.left-top:after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: -20px;
  right: auto;
  top: 0px;
  bottom: auto;
  border: 22px solid;
  border-color: lightyellow transparent transparent transparent;
}

/* Right triangle, left side slightly down */
.tri-right.border.left-in:before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: -40px;
  right: auto;
  top: 30px;
  bottom: auto;
  border: 20px solid;
  border-color: #666 #666 transparent transparent;
}
.tri-right.left-in:after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: -20px;
  right: auto;
  top: 38px;
  bottom: auto;
  border: 12px solid;
  border-color: lightyellow lightyellow transparent transparent;
}

/* Right triangle, placed bottom left side slightly in */
.tri-right.border.btm-left:before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: -8px;
  right: auto;
  top: auto;
  bottom: -40px;
  border: 32px solid;
  border-color: transparent transparent transparent #666;
}
.tri-right.btm-left:after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: 0px;
  right: auto;
  top: auto;
  bottom: -20px;
  border: 22px solid;
  border-color: transparent transparent transparent lightyellow;
}

/* Right triangle, placed bottom left side slightly in */
.tri-right.border.btm-left-in:before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: 30px;
  right: auto;
  top: auto;
  bottom: -40px;
  border: 20px solid;
  border-color: #666 transparent transparent #666;
}
.tri-right.btm-left-in:after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: 38px;
  right: auto;
  top: auto;
  bottom: -20px;
  border: 12px solid;
  border-color: lightyellow transparent transparent lightyellow;
}

/* Right triangle, placed bottom right side slightly in */
.tri-right.border.btm-right-in:before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: 30px;
  bottom: -40px;
  border: 20px solid;
  border-color: #666 #666 transparent transparent;
}
.tri-right.btm-right-in:after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: 38px;
  bottom: -20px;
  border: 12px solid;
  border-color: lightyellow lightyellow transparent transparent;
}

/* Right triangle, placed bottom right side slightly in */
.tri-right.border.btm-right:before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: -8px;
  bottom: -40px;
  border: 20px solid;
  border-color: #666 #666 transparent transparent;
}
.tri-right.btm-right:after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: 0px;
  bottom: -20px;
  border: 12px solid;
  border-color: lightyellow lightyellow transparent transparent;
}

/* Right triangle, right side slightly down */
.tri-right.border.right-in:before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: -40px;
  top: 30px;
  bottom: auto;
  border: 20px solid;
  border-color: #666 transparent transparent #666;
}
.tri-right.right-in:after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: -20px;
  top: 38px;
  bottom: auto;
  border: 12px solid;
  border-color: lightyellow transparent transparent lightyellow;
}

/* Right triangle placed top right flush. */
.tri-right.border.right-top:before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: -40px;
  top: -8px;
  bottom: auto;
  border: 32px solid;
  border-color: #666 transparent transparent transparent;
}
.tri-right.right-top:after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: -20px;
  top: 0px;
  bottom: auto;
  border: 20px solid;
  border-color: lightyellow transparent transparent transparent;
}

/* talk bubble contents */
.talktext {
  padding: 1em;
  text-align: left;
  line-height: 1.5em;
}
.username {
  font-weight: bold;
  font-size: 15px;
}
.datetime {
  margin-right: 10px; 
  font-size: 12px;
  color: gray;
}