#signature_position_wrap {
    position: relative;
}
#signature_position_box {
    background-repeat: no-repeat;
    background-size: 100% 100%;
    /*border: 1px solid gray;*/
    position: absolute;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}

#loading_error_message {
    display: table;
    margin: 0 auto;
}