.b-nbtn {
    display: inline-block;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0 1em;
    height: 30px;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-family: Helvetica, Arial, sans-serif;
    line-height: 30px;
    cursor: pointer;
    position: relative;
}

.b-nbtn_theme_green {
    border-width: 0;
    background: #78a000;
    background: -moz-linear-gradient(top, #94b800 0%, #8aaf00 23%, #638e00 80%, #5a8600 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #94b800), color-stop(23%, #8aaf00), color-stop(80%, #638e00), color-stop(100%, #5a8600));
    background: -webkit-linear-gradient(top, #94b800 0%, #8aaf00 23%, #638e00 80%, #5a8600 100%);
    background: -o-linear-gradient(top, #94b800 0%, #8aaf00 23%, #638e00 80%, #5a8600 100%);
    background: -ms-linear-gradient(top, #94b800 0%, #8aaf00 23%, #638e00 80%, #5a8600 100%);
    background: linear-gradient(to bottom, #94b800 0%, #8aaf00 23%, #638e00 80%, #5a8600 100%);
    color: white;
}

.b-nbtn_theme_green:visited {
    color: white;
}

.b-nbtn_theme_green:hover {
    background: #92af00;
    background: -moz-linear-gradient(top, #92af00 0%, #638e00 80%, #5a8600 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #92af00), color-stop(80%, #638e00), color-stop(100%, #5a8600));
    background: -webkit-linear-gradient(top, #92af00 0%, #638e00 80%, #5a8600 100%);
    background: -o-linear-gradient(top, #92af00 0%, #638e00 80%, #5a8600 100%);
    background: -ms-linear-gradient(top, #92af00 0%, #638e00 80%, #5a8600 100%);
    background: linear-gradient(to bottom, #92af00 0%, #638e00 80%, #5a8600 100%);
    color: white;
}

.b-nbtn_theme_green:active {
    background: #5a8600;
    background: -moz-linear-gradient(top, #5a8600 0%, #638e00 95%, #92af00 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #5a8600), color-stop(95%, #638e00), color-stop(100%, #92af00));
    background: -webkit-linear-gradient(top, #5a8600 0%, #638e00 95%, #92af00 100%);
    background: -o-linear-gradient(top, #5a8600 0%, #638e00 95%, #92af00 100%);
    background: -ms-linear-gradient(top, #5a8600 0%, #638e00 95%, #92af00 100%);
    background: linear-gradient(to bottom, #5a8600 0%, #638e00 95%, #92af00 100%);
    color: white;
}

.b-nbtn_theme_orange {
    border-width: 0;
    background: #f89500;
    background: -moz-linear-gradient(top, #ffab00 0%, #fda300 23%, #f48900 73%, #f17f00 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #ffab00), color-stop(23%, #fda300), color-stop(73%, #f48900), color-stop(100%, #f17f00));
    background: -webkit-linear-gradient(top, #ffab00 0%, #fda300 23%, #f48900 73%, #f17f00 100%);
    background: -o-linear-gradient(top, #ffab00 0%, #fda300 23%, #f48900 73%, #f17f00 100%);
    background: -ms-linear-gradient(top, #ffab00 0%, #fda300 23%, #f48900 73%, #f17f00 100%);
    background: linear-gradient(to bottom, #ffab00 0%, #fda300 23%, #f48900 73%, #f17f00 100%);
    color: white;
}

.b-nbtn_theme_orange:hover {
    background: #f9a600;
    background: -moz-linear-gradient(top, #f9a600 0%, #f48900 73%, #f17f00 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #f9a600), color-stop(73%, #f48900), color-stop(100%, #f17f00));
    background: -webkit-linear-gradient(top, #f9a600 0%, #f48900 73%, #f17f00 100%);
    background: -o-linear-gradient(top, #f9a600 0%, #f48900 73%, #f17f00 100%);
    background: -ms-linear-gradient(top, #f9a600 0%, #f48900 73%, #f17f00 100%);
    background: linear-gradient(to bottom, #f9a600 0%, #f48900 73%, #f17f00 100%);
}

.b-nbtn_theme_orange:active {
    background: #f17f00;
    background: -moz-linear-gradient(top, #f17f00 0%, #f48900 95%, #f9a600 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #f17f00), color-stop(95%, #f48900), color-stop(100%, #f9a600));
    background: -webkit-linear-gradient(top, #f17f00 0%, #f48900 95%, #f9a600 100%);
    background: -o-linear-gradient(top, #f17f00 0%, #f48900 95%, #f9a600 100%);
    background: -ms-linear-gradient(top, #f17f00 0%, #f48900 95%, #f9a600 100%);
    background: linear-gradient(to bottom, #f17f00 0%, #f48900 95%, #f9a600 100%);
}

.b-nbtn_size_l {
    height: 32px;
    font-size: 18px;
    line-height: 32px;
}

.b-nbtn_size_s {
    height: 22px;
    font-size: 13px;
    line-height: 22px;
}