By default, the Jump & Print recipe links look like this when you activate them:

However, if you're interested in making them look more like a button, you can go to Appearance > Customize > Additional CSS and use the following code:
.tasty-recipes-quick-links a {
border: 1px solid #000;
background-color: #999;
color: #fff;
}
VoilĂ ! Your buttons should now look like this:

You can also edit the hover state of the buttons with this code:
.tasty-recipes-quick-links a:hover {
border: 1px solid #ccc;
background-color: #ccc;
color: #fff;
}