#contacts.ui-tabs .ui-tabs-nav li{
    min-width: 230px;
    width: auto;
    -webkit-box-flex: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
    margin-bottom: 0;
}

#contacts .ui-tabs-panel {
    position: relative;
    padding-top: 2em;
}

#contacts .ui-tabs-panel::after {
    content: '';
    position: absolute;
    border-bottom: 1px solid #d9d9d9;
    width: 3170px;
    left: -1000px;
    z-index: 1;
    bottom: -1px;
}

@media only screen and (max-width: 600px) {
    #contacts.ui-tabs .ui-tabs-nav li {
        width: 90%;
    }
}

@media only screen and (max-width: 350px) {
    #contacts .ui-tabs-anchor {
        font-size: 16px;
    }
}