CSS 사진회전, 그림자

@keyframes spin {
    from {
        transform: none;
    }

    to {
        transform: rotateY(1turn)
    }
}

.incoming-message img {
    width: 30px;
    border-radius: 15px;
    margin-right: 15px;
    box-shadow: rgba(50, 50, 93, 0.25) 0px 13px 27px -5px,
        rgba(0, 0, 0, 0.3) 0px 8px 16px -8px,
        rgba(0, 0, 0, 0.024) 0px -6px 16px -6px;
    animation: spin 2s linear infinite;
}