.tab button {
    display: block;
    background-color: inherit;
    color: rgba(255, 255, 255, 0.7);
    padding: 15px 16px;
    width: 100%;
    border: none;
    outline: none;
    text-align: left;
    cursor: pointer;
    transition: 0.3s;
    font-size: 17px;
    text-align: center;
}

.tab button:hover {
    color: #0073aa;
}

.tab button.active {
    background-color: #0073aa;
    color: #fff;
}

.tabcontent {
    border: 1px solid #ccc;
}

.nav-left-tab {
    background-color: #32373C;
    padding-left: 0px !important;
    padding-right: 0px !important;
}