jquery - Incorrect padding when scrolled down -

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the logo on page loses correct padding when scrolled down or up? here's site have : 

element.style {     padding-top: 27px;     padding-bottom: 27px; }

in scrollpage() function in script.js file comment or edit 0 values follow lines:

$('.navbar-brand').css({     'padding-top': 19 + "px",     'padding-bottom': 19 + "px" });

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