@zauberware/react-times/css/material/button.css

A react time-picker component, no jquery-rely

.time_picker_button {
  padding: 5px 10px;
  background-color: transparent;
  display: inline-block;
  color: #949494;
  opacity: 0.6;
  transition: opacity 0.2s;
  box-shadow: none;
}

.time_picker_button:hover {
  opacity: 1;
}