@keyframes shakeZoom {
    0%, 92% {
        transform: translateX(0) scale(1);
    }
    93%, 95% {
        transform: translateX(-5px) scale(1.02);
    }
    94%, 96% {
        transform: translateX(5px) scale(1.02);
    }
    97%, 100% {
        transform: translateX(0) scale(1);
    }
}

.headmain {
    background: #111415;
    color: white;
    min-height: 435px;
    background: url(https://static.webgod.ro/banners/header.webp);
    background-position: center;
    background-size: cover;
    background-position-y: 70%;
    position: relative;
    overflow: hidden;
    animation: shakeZoom 7s infinite;
}

.headmain::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    background-position: center;
    background-size: cover;
    background-position-y: 70%;
    animation: shakeZoom 7s infinite;
}