#logOutDialogBoxContainer {
    height: 100%;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(0,0,0,0.5);
}

    #logOutDialogBoxContainer h1 {
        display: block;
        font-size: 2em;
        -webkit-margin-before: 0.67em;
        -webkit-margin-after: 0.67em;
        -webkit-margin-start: 0px;
        -webkit-margin-end: 0px;
        font-weight: bold;
        font-family: Arial;
        color: #5a5a5a;
    }

    #logOutDialogBoxContainer #logOutDialogBoxDisplay {
        background-color: white;
        position: fixed;
        width: 500px;
        height: 200px;
        top: 50%;
        left: 50%;
        margin-top: -100px; /* Negative half of height. */
        margin-left: -250px; /* Negative half of width. */
    }

        #logOutDialogBoxContainer #logOutDialogBoxDisplay h1 {
            margin: auto;
            text-align: center;
            padding-top: 10px;
        }

        #logOutDialogBoxContainer #logOutDialogBoxDisplay p {
            margin: auto;
            text-align: center;
            padding-top: 44px;
        }