.share-buttons {
    display: flex;
    margin-left: auto;
}

.share-button {
    color: #fff;
    width: 45px;
    height: 45px;
    border-radius: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
}

.share-button > span {
    width: 0;
    height: 0;
    overflow: hidden;
}

.twitter svg{
    height: 15px;
}
.twitter path{
    fill: #000;
    transition: all 0.5s;
}

.twitter:hover path{
    fill:rgba(0, 0, 0, 0.5);
    transition: all 0.5s;
}