I'm using this template:
.
What would I put for Background-size if I just wanted it to over lay a specific point?
Sorry but I'm not quite sure if I understand your question? You want the image to just be cover a certain amount of text?
If that's the case, then the first step would be to determine just how big of an area of the text you want to cover. Set your background size to this. I suggest using a px value or a smaller percentage value. Just play around with it till you're satisfied.
Edit: More info on the background size values that you can use
[ link ]
Next is to determine where exactly is this text you want to have the background on. By default, a background image positions itself on the upper left corner of the div. To change the position to somewhere else, use the background-position property. The syntax for it is as follows:
background-position: x y;
The first value defines the movement of it according to the x-axis, the second defines the movement along the y-axis. Both px and percent values or a combination of both are accepted by the two parameters. Other values accepted are center, right, left, top, and bottom.
I'll try to get a sample up in a bit. On mobile rn.
Edit 2: still on mobile, but here's a sample
Background on upper left:
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed feugiat ipsum in sem porttitor fermentum. Duis varius metus vel consectetur mattis. Fusce accumsan pellentesque molestie. Phasellus orci turpis, pulvinar eget lectus nec, mollis cursus orci. Sed vitae lorem ut dolor mollis luctus. Proin ac rhoncus odio, vitae pharetra eros. Integer pellentesque in eros in consequat. Sed sodales elit mi, malesuada placerat nisi ultrices vel. Donec volutpat vestibulum lobortis.
Code: [spoili]
[div=width:200px; background:url(https://www.iwakuroleplay.com/data/avatars/l/18/18272.jpg?1496334714) no-repeat; background-size:50px 50px; text-shadow:1px 1px 2px black;]Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed feugiat ipsum in sem porttitor fermentum. Duis varius metus vel consectetur mattis. Fusce accumsan pellentesque molestie. Phasellus orci turpis, pulvinar eget lectus nec, mollis cursus orci. Sed vitae lorem ut dolor mollis luctus. Proin ac rhoncus odio, vitae pharetra eros. Integer pellentesque in eros in consequat. Sed sodales elit mi, malesuada placerat nisi ultrices vel. Donec volutpat vestibulum lobortis.[/div]
[/spoili]
Background center center
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed feugiat ipsum in sem porttitor fermentum. Duis varius metus vel consectetur mattis. Fusce accumsan pellentesque molestie. Phasellus orci turpis, pulvinar eget lectus nec, mollis cursus orci. Sed vitae lorem ut dolor mollis luctus. Proin ac rhoncus odio, vitae pharetra eros. Integer pellentesque in eros in consequat. Sed sodales elit mi, malesuada placerat nisi ultrices vel. Donec volutpat vestibulum lobortis.
Code: [spoili]
[div=width:200px; background:url(https://www.iwakuroleplay.com/data/avatars/l/18/18272.jpg?1496334714) no-repeat; background-size:50px 50px; text-shadow:1px 1px 2px black; background-position:center center;]Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed feugiat ipsum in sem porttitor fermentum. Duis varius metus vel consectetur mattis. Fusce accumsan pellentesque molestie. Phasellus orci turpis, pulvinar eget lectus nec, mollis cursus orci. Sed vitae lorem ut dolor mollis luctus. Proin ac rhoncus odio, vitae pharetra eros. Integer pellentesque in eros in consequat. Sed sodales elit mi, malesuada placerat nisi ultrices vel. Donec volutpat vestibulum lobortis.[/div]
[/spoili]
Background bottom right
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed feugiat ipsum in sem porttitor fermentum. Duis varius metus vel consectetur mattis. Fusce accumsan pellentesque molestie. Phasellus orci turpis, pulvinar eget lectus nec, mollis cursus orci. Sed vitae lorem ut dolor mollis luctus. Proin ac rhoncus odio, vitae pharetra eros. Integer pellentesque in eros in consequat. Sed sodales elit mi, malesuada placerat nisi ultrices vel. Donec volutpat vestibulum lobortis.
Code: [spoili]
[div=width:200px; background:url(https://www.iwakuroleplay.com/data/avatars/l/18/18272.jpg?1496334714) no-repeat; background-size:50px 50px; text-shadow:1px 1px 2px black; background-position:bottom right;]Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed feugiat ipsum in sem porttitor fermentum. Duis varius metus vel consectetur mattis. Fusce accumsan pellentesque molestie. Phasellus orci turpis, pulvinar eget lectus nec, mollis cursus orci. Sed vitae lorem ut dolor mollis luctus. Proin ac rhoncus odio, vitae pharetra eros. Integer pellentesque in eros in consequat. Sed sodales elit mi, malesuada placerat nisi ultrices vel. Donec volutpat vestibulum lobortis.[/div]
[/spoili]
Of course, background position isn't limited to those three values. There are many more as I've mentioned above. Those are just some samples of how they work.