.button {
background-color:blue;
-webkit-border-radius: 10px;
border-radius: 60px;
border: none;
color: #eeeeee;
cursor: pointer;
display: inline-block;
font-family: sans-serif;
font-size: 16px;
padding: 10px 35px;
text-align: center;
text-decoration: none;
margin-bottom:20px;
}
@keyframes glowing {
0% {
background-color: #000;
box-shadow: 0 0 5px #2ba805;
}
50% {
background-color: #000;
box-shadow: 0 0 20px #49e819;
}
100% {
background-color: blue;
box-shadow: 0 0 5px #2ba805;
}
}
.button {
animation: glowing 1300ms infinite;
}

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