.abas-container {
    border-bottom: 1px solid #999;
    padding-left: 5px;
}

.aba {
    display: inline-block;
    padding: 6px 15px;
    margin-right: 3px;
    text-decoration: none;
    color: #000;
    background: #e5e5e5;
    border: 1px solid #999;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    font-size: 14px;
}

.aba:hover {
    background: #d5d5d5;
}

.aba.ativa {
    background: #ffffff;
    font-weight: bold;
    position: relative;
    top: 1px;
}