Desktop/stylesheets/index.css

.number.error {
  background-color: #ffdddd;
}

#listener, #log { display: none; }

.gutter {
  padding-bottom: 0;
  overflow: hidden;
}

#contacts {
  overflow-y: scroll;
}
#contacts::-webkit-scrollbar {
  display: none;
}

.conversation {
  margin: 0;
  padding: 0;
}

ul.discussion {
  margin: 0;
  padding: 10px;
  box-sizing: border-box;
}