:root {

    /* Default XNAT brand colors */
    --XNAT-blue-100: #e4efff;
    --XNAT-blue-200: #cce1f3;
    --XNAT-blue-300: #66c7ff; /* alternate link color for dark bgs */
    --XNAT-blue-400: #2fa4e7;
    --XNAT-blue-500: #1a75bb; /* primary XNAT brand blue */
    --XNAT-blue-600: #085895;
    --XNAT-blue-700: #033769;

    --XNAT-gray-050: #f7f7f7;
    --XNAT-gray-100: #f0f0f0;
    --XNAT-gray-200: #d0d0d0;
    --XNAT-gray-300: #cccccc; /* primary border color */
    --XNAT-gray-400: #a0a0a0;
    --XNAT-gray-500: #848484;
    --XNAT-gray-600: #6d6d6d;
    --XNAT-gray-700: #484848;
    --XNAT-gray-900: #242424;

    --XNAT-yellow-100: #ffffcc;
    --XNAT-yellow-500: #ffaa66;
    --XNAT-red-100: #ffeaf5;
    --XNAT-red-500: #993333;
    --XNAT-red-600: #702222;
    --XNAT-green-100: #dbffc9;
    --XNAT-green-500: #339933;
    --XNAT-green-600: #227022;

    /* define default variables */
    --page-bg: #ffffff;
    --panel-bg: #f0f0f0;
    --panel-header-bg: #1A75BB;
    --panel-header-highlight: #3C8BC7;
    --border-color: #cccccc;
    --border-color-light: #dedede;
    --table-border: #aaaaaa;
    --highlight-color: #2fa4e7;
    --hover-bg: #e4efff;
    --text-color: #000000;
    --text-color-reverse: #ffffff;
    --link-color: #084fab;
    --link-color-hover: #1a75bb;
    --link-color-reverse: #66c7ff;
    --link-color-reverse-hover: #99e8ff;

    --default-button-bg: #f7f7f7 linear-gradient( #ffffff, #f0f0f0 );
    --default-button-bg-hover: #f7f7f7;
    --default-button-border: #848484; /* #a0a0a0 */
    --default-button-text: #000000;
    --primary-button-bg: #1A75BB linear-gradient(#3C8BC7,#1A75BB);
    --primary-button-bg-hover: #1A75BB;
    --primary-button-border: #085895;
    --primary-button-text: #ffffff;

    --input-color: #ffffff;
    --input-border: #c0c0c0;
    --alert-color: #ffaa66;
    --alert-color-bg: #ffffcc;
    --alert-border: #eeee99;
    --error-color: #993333;
    --error-color-bg: #ffeaf5;
    --error-border: #723131;
    --message-color: #2d69b8;
    --message-color-bg: rgba( 45,105,184);
    --success-color: #66cc66;
    --success-color-bg: rgba(102,204,102);
    --success-border: #1dca23;

}