index.css

.message {
  margin-left: 0px;
  padding-top: 8px;
  padding-bottom: 8px;
  cursor: pointer;
  border-bottom: 1px solid #efefef;
}

.message a {
  color: black;
}

.message a:hover,
.message a:active,
.message a:focus {
  text-decoration: none;
}

.message+.message {
  border-top: 1px solid #efefef;
}

.message.read {
  background: #efefef;
}

.message.unread {
  font-weight: bold;
}

.message.selected {
  background: #ffffcc;
}

.message:hover {
  margin-left: -3px;
  border-left: 3px solid #ccc;
}

.message-body {
  background: #ccc;
  margin-left: 0;
  margin-bottom: 1em;
  padding-top: 1em;
  padding-bottom: 1em;
}

.toolbar {
  margin-top: 1em;
  margin-bottom: 1em;
}

.toolbar .label-select {
  width: auto;
  display: inline;
}

.toolbar select,
.toolbar button,
.toolbar a,
.toolbar .badge {
  margin-right: .5em;
  margin-bottom: .5em;
}

footer.spacer {
  margin-bottom: 20em;
}

.label {
  margin-right: .5em;
}

.fa-close {
  cursor: pointer;
}