examples/pipetobrowser/browser/views/common/common.css

.hidden {
  display: none !important;
}

paper-button {
  margin: 1em;
  width: 10em;
  display: block;
  cursor: default;
}

paper-button.colored {
  background: #4285f4;
  color:#FFFFFF;
}

paper-button.colored.red {
  background: #d34336;
}

[flex] {
  display: flex;
  flex-direction: column;
  flex: 1 1 0px;
}