Change size of popup

Hi paul,
Thanks for your feedback,

you could customize CSS to change width and height of popup box

to edit CSS files Please go Login to your dashboard >> Plugins >> Editor >> Select plugin to edit:(choose Kento Splash Screen ) >> kento-splash-screen/css/style.css

here is screenshot: (Another Plugin )
https://kentothemes.com/wp-content/uploads/2014/03/Kento-Pricing-Table-Free.png

At line 17 find this

.kento-splash-screen {
background-color: #FF0000;
height: 300px;
left: 30%;
position: fixed;
top: 20%;
width: 500px;
z-index: 2147483647;
}

then edit
width: 500px;
height: 300px;
left: 30%;