#blog-back-to-top {
    position: fixed;
    top: 80vh;
    right: 5vw;
    z-index: 1000;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.16);
    cursor: pointer;
    font-size: 26px;
    line-height: 46px;
    text-align: center;
}

#blog-back-to-top:hover,
#blog-back-to-top:focus {
    background: #ffffff;
    outline: 2px solid #1abc9c;
    outline-offset: 2px;
}