.blink {
  animation: blink 1s steps(5, start) infinite;
  -webkit-animation: blink 1s steps(5, start) infinite;
  -moz-animation: blink 0.5s linear infinite;
}

@keyframes blink {
  to {
    visibility: hidden;
  }
}

::-webkit-scrollbar {
  background-color: transparent;
}

::-webkit-scrollbar:vertical {
  width: 0.4em;
}

::-webkit-scrollbar:horizontal {
  height: 0.4em;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  border-radius: 0.4em;
  background-color: #a0a0a0;
}