#back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 9999;
    width: 48px;
    height: 48px;
    text-align: center;
    line-height: 40px;
    background: #f5f5f5;
    color: #444;
    cursor: pointer;
    border: 0;
    /* removed for backward compatibility border-radius: 2px; */
    text-decoration: none;
    transition: opacity 0.2s ease-out;
    font-size: 40px;
    border-radius: 10px;
    /* opacity: 0; replaced with display for backward compatibility  */
}

    #back-to-top:hover {
        background: #e9ebec;
    }

    #back-to-top.show {
        /* opacity: 1; replaced with display for backward compatibility  */
        display: block;
    }

#row_Claim\.UDFs\.ConfirmEmail {
    position: absolute !important;
    height: 1px !important;
    width: 1px !important;
    max-height: 1px !important;
    max-width: 1px !important;
    opacity: 0 !important;
    top: 0 !important;
    left: 0 !important;
    overflow: hidden !important;
}