.perf-tool .tools {
  padding: 0.5em;
  border-bottom: 1px solid #ccc;
  color: #5A5A5A;
}


.perf-tool .measurements {

}

.perf-tool .measurement {
  padding: 1em;
  border-bottom: 1px solud #ccc;
  cursor: pointer;
  position: relative;
}

.perf-tool .measurement:hover,
.perf-tool .measurement.active {
  background-color: #e5e5e5;
  transition: all .2s ease-out;
}

.perf-tool .no-measurements {
  padding: 1em;
}