panel.css

* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: Ubuntu, Arial;
  font-size: 11px;
}

html {
  display: table;
}

body {
  display: table-row;
}

#request-list {
  height: 100%;
  float:left;
  overflow: auto;
  border-right: 1px solid #ccc;
  display: table-cell;
}

#debug-toolbar-panel {
  width: 100%;
  height: 100%;
  border: none;
}


.iframe-wrapper {
  display: table-cell;
  width: 100%;
}

.request {
  height: 3em;
  line-height: 3em;
  padding-left: 0.5em;
  cursor: pointer;

  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.request:nth-child(even) {
  background: rgba(0, 0, 0, 0.05);
}

.request:hover {
  background: #ffc;
}

.request.selected {
  font-weight: bold;
  background: #d0dffa;
}

.split-view-resizer {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 5px;
  z-index: 1500;
  cursor: ew-resize;
  margin-left: -2.5px;
}