.pestanas input[type="radio"] + label {
    background: #131313 !important; /* Old browsers */
    /* IE9 SVG, needs conditional override of 'filter' to 'none' */
    background: url(data:image/svg+xml;base64,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) !important;
    background: -moz-linear-gradient(top, #131313 0%, #1c1c1c 9%, #2b2b2b 24%, #111111 40%, #000000 49%, #2c2c2c 50%, #474747 61%, #666666 75%, #595959 88%, #4c4c4c 100%) !important; /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#131313), color-stop(9%,#1c1c1c), color-stop(24%,#2b2b2b), color-stop(40%,#111111), color-stop(49%,#000000), color-stop(50%,#2c2c2c), color-stop(61%,#474747), color-stop(75%,#666666), color-stop(88%,#595959), color-stop(100%,#4c4c4c)) !important; /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top, #131313 0%,#1c1c1c 9%,#2b2b2b 24%,#111111 40%,#000000 49%,#2c2c2c 50%,#474747 61%,#666666 75%,#595959 88%,#4c4c4c 100%) !important; /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top, #131313 0%,#1c1c1c 9%,#2b2b2b 24%,#111111 40%,#000000 49%,#2c2c2c 50%,#474747 61%,#666666 75%,#595959 88%,#4c4c4c 100%) !important; /* Opera 11.10+ */
    background: -ms-linear-gradient(top, #131313 0%,#1c1c1c 9%,#2b2b2b 24%,#111111 40%,#000000 49%,#2c2c2c 50%,#474747 61%,#666666 75%,#595959 88%,#4c4c4c 100%) !important; /* IE10+ */
    background: linear-gradient(to bottom, #131313 0%,#1c1c1c 9%,#2b2b2b 24%,#111111 40%,#000000 49%,#2c2c2c 50%,#474747 61%,#666666 75%,#595959 88%,#4c4c4c 100%) !important; /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#131313', endColorstr='#4c4c4c',GradientType=0 ) !important; /* IE6-8 */
    /*font-size: medium;*/
    font-weight: bold !important;
    color: #FFFFFF !important;
    padding: 5px 10px !important;
    border-radius: 10px 10px 0px 0px !important;
}

.pestanas input[type="radio"] + label:hover{
    background: #666666 !important;
}

.pestanas input[type="radio"]:checked + label{
    background: #000000 !important;
}

.pestanas a{
    color: #FFFFFF;
    text-decoration: none;
}