@keyframes werbe-skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.werbe-async-skeleton {
    display: block;
    border-radius: 4px;
    background: linear-gradient(
        90deg,
        #e0e0e0 25%,
        #ececec 50%,
        #e0e0e0 75%
    );
    background-size: 200% 100%;
    animation: werbe-skeleton-shimmer 1.6s ease-in-out infinite;
}