.ul_tabs > li {
    position: relative;
    float: left;
    width: 50%;
    list-style: none;
    text-align: center;
}

    .ul_tabs > li > a, .activeText {
        text-decoration: none;
        font-family: Helvetica;
        font-size: 16px;
        color: #CCC;
        line-height: 14px;
        padding: 20px;
        display: block;
        transition: all 0.5s;
    }

.ul_tabs > .active > a, .activeText {
    color: #29aafe;
}

.linea_bajo_nom {
    position: relative;
    width: 100%;
    float: left;
    background-color: #999;
    height: 2px;
}

.active .linea_bajo_nom {
    position: relative;
    width: 100%;
    float: left;
    background-color: #29aafe;
    height: 2px;
}