popup.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.container {
  padding: 16px;
  background-color: #2db400;
}

.title {
  display: inline-block;
  font-size: 18px;
  font-weight: 800;
  white-space: nowrap;
  padding: 12px;
  border-bottom: 4px solid #fff;
  color: #fff;
}

.quality-select {
  margin-top: 16px;
  padding: 4px;
  font-size: 16px;
  width: 100%;
}