svg{
  background-color: #f2f4fa;
  border: #f5ef42 2px double; border-radius: 11px;
}
.silentDream{
  animation: helenger 7s infinite;
}
@keyframes helenger {
  0%{fill: #8346b3} 50%{fill: #f5ef42}  100%{fill: #8346b3}
}
.silentrain{
  animation: helen 7s infinite;
}
@keyframes helen {
  0%{fill: #3f9e51} 50%{fill: #3fd1ca}  100%{fill: #892dc2}
}
.rivenor{
  animation: heleng 11s infinite;
}
@keyframes heleng {
  0%{fill: #4fa828} 25%{fill: #a62346}  50%{fill: #19918b} 75%{fill: #bdb71a}  100%{fill: #965699}
}