refined-youtube/ext/style.css

#refined-youtube-launch-container {
  align-items: center;
  background: white;
  border-top: 2px solid #000000;
  bottom: 0;
  box-sizing: border-box;
  display: flex;
  height: 100px;
  justify-content: center;
  position: fixed;
  transition: opacity 1s;
  width: 100vw;
  z-index: 999;
}

#refined-youtube-launch-button {
  background-color: #CC0000;
  border-radius: 5px;
  color: #FFFFFF;
  cursor: pointer;
  font-family: Roboto;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 20px;
  text-decoration: none;
  text-transform: uppercase;
}

#refined-youtube-launch-close-button {
  cursor: pointer;
  font-size: 20px;
  position: absolute;
  right: 20px;
  top: 5px;
}

#refined-youtube-close-button {
  color: #f5f5f5;
  cursor: pointer;
  font-size: 36px;
  position: fixed;
  right: 20px;
  text-decoration: none;
  top: 10px;
}

#refined-youtube-close-button:hover,
#refined-youtube-launch-close-button:hover {
  transform: scale(1.1);
  transition: transform .2s ease-in-out;
}

body.refined-youtube {
  background: #1f1f1f;
}

#refined-youtube-container {
  align-items: center;
  display: flex;
  height: 100vh;
  justify-content: center;
}