#ddexitpopwrapper { /* dynamically generated wrapper DIV that surrounds exit pop content DIV */
    display: flex;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
pointer-events: none;
    align-items: center;
    justify-content: center;
}

#ddexitpopwrapper .veil{ /* dynamically generated "overlay" DIV that covers entire window when pop up is shown */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    position: fixed;
    background-color: rgba(0,0,0,.7);
    content: "";
    z-index: 1;
    display: none;
    cursor: default;
}


.ddexitpop { /* user defined exit popup DIV style */
    display: none;
    width: 90%;
    max-width: 700px;
    border: 2px solid black;
    padding: 10px;
    z-index: 2;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    position: relative;
    border: 20px solid black;
    background: white;
    left: 0;
    top: -100px; /* shift popup DIV upwards by 100px from middle of screen */
-webkit-animation-duration: .5s; /* customize animation duration */
animation-duration: .5s; /* customize animation duration */
    visibility: hidden;
}



.ddexitpop .calltoaction{ /* demo button style */
display: inline-block;
    text-decoration: none;
    border-radius: 5px;
    padding: 15px;
    background: #15C5FF;
    display: block;
    width: 80%;
    font: bold 24px Arial;
    box-shadow: 0 0 15px gray, 0 0 10px gray inset;
    margin: 10px auto;
    text-align: center;
    color: white !important;
}


div.closeexitpop{ /* Large x close button  */
width: 70px;
height: 70px;
overflow: hidden;
display: none;
position: fixed;
cursor: pointer;
text-indent: -1000px;
z-index: 3;
top: 10px;
right: 10px;
}


#ddexitpopwrapper.open{
pointer-events: auto;
}

#ddexitpopwrapper.open .veil{ /* style of veil when exit pop is open */
    display: block;
}

#ddexitpopwrapper.open div.closeexitpop{
    display: block;
}

#ddexitpopwrapper.open .ddexitpop{ /* style of exit pop content DIV when exit pop is open */
    visibility: visible;
    display: block;
}


/* #### CSS that's applied when the viewing area's height is 765px or less #### */

@media screen and (max-height: 765px){
.ddexitpop{
top: 0; /* don't shift exit pop up upwards 100px on screens that aren't very tall */
}
}