urbackup/public/css/urbackup.css

.urbackup-tab {
    padding: 10px;
}

.urbackup-tab h3 {
    margin-bottom: 10px;
}

.urbackup-tab .warning {
    color: #b00;
    font-weight: bold;
}

#urbackupTabs .nav-link {
    font-weight: 600;
    border-width: 2px;
    padding: 8px 18px;
    margin-right: 4px;
}

#urbackupTabs .nav-link#state-tab {
    color: #fff;
    background-color: #4a4a4a;
    border-color: #4a4a4a;
}

#urbackupTabs .nav-link#state-tab.active {
    color: #fff;
    background-color: #2d2d2d;
    border-color: #2d2d2d;
}

#urbackupTabs .nav-link#actions-tab {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

#urbackupTabs .nav-link#actions-tab.active {
    color: #fff;
    background-color: #495057;
    border-color: #495057;
}

#urbackupTabs .nav-link#logs-tab {
    color: #fff;
    background-color: #adb5bd;
    border-color: #adb5bd;
}

#urbackupTabs .nav-link#logs-tab.active {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}