display: inline-block;
padding: 8px 16px;
font-size: 16px;
font-family: sans-serif;
color: white;
font-weight: bold;
background: linear-gradient(90deg, #ff0000, #cc0000, #ff0000);
background-size: 200% 100%;
border: none;
border-radius: 4px;
cursor: pointer;
animation: shine 3s linear infinite;
box-shadow: 0 0 5px rgba(255, 0, 0, 0.6);
@keyframes shine {
0% {
background-position: 200% 0;
}
100% {
background-position: -200% 0;
}
}