ul li.bullet-arrow {
  transition: 0.2s all;
}
ul li.bullet-arrow:hover {
  margin-left: 7px;
}
.header-button a {
    background-color: red;
    color: yellow;
    padding: 0px 14px;
    font-size: 16px;
    line-height: 35px;
    border-radius: 10px;
    border: 1px solid #FFEC8B;
    margin: 10px 0;
    text-decoration: none;
    display: inline-block;
    position: relative;
    animation: draven 1s infinite;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    width: 100%; 
}

.header-button a:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(255, 255, 0, 0.8);
}
@keyframes draven {
    0% {
        transform: scale(0.9);
        border-radius: 5px;
        box-shadow: 0 0 0 0 rgba(255, 0, 0, 0.7), 0 0 0 0 rgba(251, 255, 0, 0.98);
    }
    40% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(228, 255, 0, 0.21), 0 0 0 0 rgba(255, 247, 0, 0.94);
    }
    80% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(255, 0, 0, 0), 0 0 0 20px rgba(255, 0, 0, 0);
    }
    100% {
        transform: scale(0.9);
        box-shadow: 0 0 0 0 rgba(255, 0, 0, 0), 0 0 0 20px rgba(255, 0, 0, 0);
    }
}