[John Lester]

Add the following code to additional.css (adjust line-height as desired)

ACP -> Styles & templates -> style manager -> your style here -> edit templates -> CSS templates -> addtional.css

/* custom line-height */
body {
    color: #3E3E3E;
    font-size: 13px;
    line-height: 1.23 !important;
    margin: 0 35px;
    min-width: 650px;
    width: auto;


}