Article- horizontal line styling

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milos i added a horizontal line to separate the category blog article's... where can i edit the color since i need it to be black and a little thicker...

using css inspector in firefox it gives me a null value--- is this part of the style sheets of which i am using style 4... if so what would i need to change..

null

hr (line 186)
{
border-top-width: 1px;
border-top-style: solid;
border-top-color: #ffffff;
border-bottom-width: medium;
border-bottom-style: none;
border-bottom-color: -moz-use-text-color;
border-left-width-value: medium;
border-left-style-value: none;
border-left-color-value: -moz-use-text-color;
border-left-width-ltr-source: physical;
border-left-width-rtl-source: physical;
border-left-style-ltr-source: physical;
border-left-style-rtl-source: physical;
border-left-color-ltr-source: physical;
border-left-color-rtl-source: physical;
border-right-width-value: medium;
border-right-style-value: none;
border-right-color-value: -moz-use-text-color;
border-right-width-ltr-source: physical;
border-right-width-rtl-source: physical;
border-right-style-ltr-source: physical;
border-right-style-rtl-source: physical;
border-right-color-ltr-source: physical;
border-right-color-rtl-source: physical;
}

thanks
trey

for anyone that might want to know- i figured it out..

template_css.php - find this line and edit the border width

hr {
border-top:1px solid <?php echo $modulesBorder ?>;
border-bottom:none;
border-left:none;
border-right:none;
}

then find your style sheet and edit this line:

$modulesBorder = "#999999";