.button-blinking {
  background-color: #7F006E;
  -webkit-border-radius: 10px;
  border-radius: 10px;
  border: none;
  color: #FFFFFF;
  cursor: pointer;
  display: inline-block;
  font-family: Arial;
 
  text-align: center;
  text-decoration: none;
}

@-webkit-keyframes glowing {
  0% { background-color: #7F006E; -webkit-box-shadow: 0 0 3px #7F006E; }
  50% { background-color: #FF00DC; -webkit-box-shadow: 0 0 10px #FF00DC; }
  100% { background-color: #7F006E; -webkit-box-shadow: 0 0 3px #7F006E; }
}

@-moz-keyframes glowing {
  0% { background-color: #7F006E; -moz-box-shadow: 0 0 3px #7F006E; }
  50% { background-color: #FF00DC; -moz-box-shadow: 0 0 10px #FF00DC; }
  100% { background-color: #7F006E; -moz-box-shadow: 0 0 3px #7F006E; }
}

@-o-keyframes glowing {
  0% { background-color: #7F006E; box-shadow: 0 0 3px #7F006E; }
  50% { background-color: #FF00DC; box-shadow: 0 0 10px #FF00DC; }
  100% { background-color: #7F006E; box-shadow: 0 0 3px #7F006E; }
}

@keyframes glowing {
  0% { background-color: #7F006E; box-shadow: 0 0 3px #7F006E; }
  50% { background-color: #FF00DC; box-shadow: 0 0 10px #FF00DC; }
  100% { background-color: #7F006E; box-shadow: 0 0 3px #7F006E; }
}

.button-blinking{
  -webkit-animation: glowing 1500ms infinite;
  -moz-animation: glowing 1500ms infinite;
  -o-animation: glowing 1500ms infinite;
  animation: glowing 1500ms infinite;
}