.about-background {
    position: relative;
    height: 100%;
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: cover;
}

.about-content {
    top: 33%;
    position: absolute;
    width: 80%;
    margin: 0 10%;
}

.about-avatar {
    position: relative;
    width: 10rem;
    height: 10rem;
    z-index: 3;
}

.about-avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: transparent;
    object-fit: cover;
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16),
    0 2px 10px 0 rgba(0, 0, 0, 0.12);
}

.about-avatar-img:hover {
    animation: rotate-animation 1s ease-in-out;
}

@keyframes rotate-animation {
    from {
        transform: rotate(0deg);
    }

    to  {
        transform: rotate(360deg);
    }
}