button {
    border: none;
    color: #fff;
    background-image: linear-gradient(30deg, #8e7bff, #8e7bff);
    border-radius: 20px;
    background-size: 100% auto;
    font-family: inherit;
    font-size: 17px;
    padding: 0.6em 1.5em;
   }
   
   button:hover {
    background-position: right center;
    background-size: 200% auto;
    -webkit-animation: pulse 2s infinite;
    animation: pulse512 1.5s infinite;
   }
   
   @keyframes pulse512 {
    0% {
     box-shadow: 0 0 0 0 #4505da66;
    }
   
    70% {
     box-shadow: 0 0 0 10px rgb(218 103 68 / 0%);
    }
   
    100% {
     box-shadow: 0 0 0 0 rgb(218 103 68 / 0%);
    }
   }

   /* next button */

   .button2 {
    border: none;
    color: #fff;
    background-image: linear-gradient(30deg, #80ea99, #80ea99);
    border-radius: 20px;
    background-size: 100% auto;
    font-family: inherit;
    font-size: 17px;
    padding: 0.6em 1.5em;
   }
   
   .button2:hover {
    background-position: right center;
    background-size: 200% auto;
    -webkit-animation: pulse 2s infinite;
    animation: pulse512 1.5s infinite;
   }
   
   @keyframes pulse512 {
    0% {
     box-shadow: 0 0 0 0 #05da7066;
    }
   
    70% {
     box-shadow: 0 0 0 10px rgb(218 103 68 / 0%);
    }
   
    100% {
     box-shadow: 0 0 0 0 rgb(218 103 68 / 0%);
    }
   }