:
XHTML:
<dl>
<dt class="participantOne">Participant One</dt>
<dd class="participantOne">This is something from the first particpant.</dd>
<dt class="participantTwo">Participant Two</dt>
<dd class="participantTwo">Lorem ipsum</dd>
<dd class="participantTwo">dolor sit amet. And so forth.</dd>
<dt class="participantThree">Participant Three</dt>
<dd class="participantThree">Something or other</dd>
<dt class="participantOne">Participant One</dt>
<dd class="participantOne">Yadda yadda.</dd>
<dt class="participantThree">Participant Three</dt>
<dd class="participantThree">Blah? With other text...</dd>
</dl>
CSS:
dt,
dd {
border: 1px solid #000;
}
dt {
border-bottom: 1px dashed #000;
margin: 0.5em 0 0 0;
border-radius: 1em 1em 0 0;
padding: 0.5em 0 0 0.5em;
box-shadow: inset 0 10px 15px rgba(255,255,255,0.5), 0 5px 10px rgba(255,255,255,0.5), 0 1px 1px rgba(255,255,255,0.5);
-o-box-shadow: inset 0 10px 15px rgba(255,255,255,0.5), 0 5px 10px rgba(255,255,255,0.5), 0 1px 1px rgba(255,255,255,0.5);
-webkit-box-shadow: inset 0 10px 15px rgba(255,255,255,0.5), 0 5px 10px rgba(255,255,255,0.5), 0 1px 1px rgba(255,255,255,0.5);
-moz-box-shadow: inset 0 10px 15px rgba(255,255,255,0.5), 0 5px 10px yellow, 0 1px 1px rgba(255,255,255,0.5);
}
dt:after {
content: " says: ";
}
dd {
border-top: none;
padding: 0 0.5em;
}
dd + dd {
margin-top: -1px;
border-top-width: 1px;
border-top-style: dashed;
}
.participantOne {
margin-left: 0;
background-color: #f00;
}
.participantTwo {
margin-left: 1em;
background-color: #0f0;
}
.participantThree {
margin-left: 2em;
background-color: #00f;
}
JS Fiddle demo.