i save your website and find this in my computer
in color_calm
i find
a:link,
a:visited,
a:hover,
a:active {
color: #48715b;
}
#logo {
background: #385947 url(../../../images/colors/calm_header.png) top left repeat-x;
border-bottom: 1px solid #263c30;
}
#header ul.menu li a {
color: #fff;
}
#panel input.button {
background: #385947 url(../../../images/colors/calm_thead.png) top left repeat-x;
}
.thead {
background: #385947 url(../../../images/colors/calm_thead.png) top left repeat-x;
color: #ffffff;
border-bottom: 1px solid #263c30;
}
.thead input.textbox,
.thead select {
border: 1px solid #263c30;
}
.popup_menu .popup_item:hover {
background: #48715b;
color: #fff;
}
.tt-suggestion.tt-is-under-cursor {
background-color: #48715b;
color: #fff;
}
.pagination a:hover {
background-color: #48715b;
color: #fff;
border-color: #263c30;
}
i think this line -> background: #385947 url(../../../images/colors/calm_header.png) top left repeat-x;