Extensions > Templates > Styles > tz_jollyany - Default > Template options > Custom Code > Custom Css > a..." />
To make the logo bigger, you can go to admin > Extensions > Templates > Styles > tz_jollyany - Default > Template options > Custom Code > Custom Css > add this css code below. You might adjust the max-height or max-width to get a satisfying result.
 
 
.astroid-logo img {
  1. max-width250px;
  2. max-height84px;
}
 

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