div.tabs {
    padding-left: 0;
    border-bottom: solid 1px #ccc;
    height: 30px;
    background-color:#ddd;
}

    div.tabs a {
        background: #eee;
        padding: 7px 15px;
        float: left;
       /* margin-right: 8px;*/
       margin-top: 3px;
       margin-left: 3px;
        border-radius: 7px 7px 0px 0px;
        color: #555;
        font-weight: 500;
        text-decoration: none;
        border: 1px solid #bbb;
    }

div.tabs a:hover {
    text-decoration: none;
}

.tabs a[aria-selected='true'] {
    background: #004bff;
    color: #fff;
    font-weight: 500;
    border: 1px solid black;
}

.tabs-container {
    border: 1px solid #bbb;
    background: white;
}