.share-block {
    display: flex;
    margin: 0 auto;
    justify-content: center;
}

.share-block li{
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: 50%;
    background-color: rgb(240, 240, 240);
    margin: 0 1rem;
    transition: 300ms;
    display: flex;
}

.share-block a {
    min-width: 100%;
    min-height: 100%;
    padding: 8px;
}

.share-block li img {
    transition: 300ms;
}

.share-block li:hover{
    background-color: black;
}

.share-block li:hover img{
    filter: invert(.9);
}

@media only screen and (min-width: 475px) {
    .share-block {
        margin: .25rem 0 0;
        justify-content: flex-start;
    }

    .share-block li{
        margin: 0;
        margin-right: 1rem;
    }
}