.flash_message{
    background-color: rgba( 0,0,0,0.2 );
    position: fixed;
    inset: 0;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;

    .inner{
        background-color: #FFF;
        padding: 1em 2em;
    }
}