.tabs-links ul {
    display: flex;
    justify-content: space-around;
}

.tabs-links {
    padding-top: 30px;
}

.tabs-links ul {
    padding: 0;
    margin: 0;
}

.tabs-links ul li {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tabs-links ul a {
    text-decoration: none;
    color: #000;
    font-family: sans-serif;
    font-weight: 300;
    position: relative;
    font-size: 18px;
    transition: .2s ease-in-out all;
}

.tabs-links ul a.active {
    font-weight: bold;
}

.tabs-links ul a:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    height: 1px;
    background: #000000;
    width: 0;
    transition: .2s ease-in-out all;
}

.tabs-links ul a.active:after {
    width: 100%;
}

.tabs-links ul a:hover:after {
    width: 100%;
}

.tabs {
    padding-top: 100px;
}

.tab {
    display: none;
}

.tab.active {
    display: block;
}

.tab h2 {
    font-family: sans-serif;
    font-weight: bold;
    font-size: 30px;
    text-align: center;
    margin-bottom: 80px;
}

.levels {
    display: flex;
    justify-content: space-around;
}

.level h3 {
    font-family: sans-serif;
    font-weight: bold;
    font-size: 18px;
    text-align: center;
}

.level p {
    text-align: center;
}

.red {
    color: red;
}

.green {
    color: green;
}

.yellow {
    color: #ff9f00;
}

.level p b {
    font-family: sans-serif;
    font-weight: bold;
    font-size: 36px;
}

.level p span {
    font-family: sans-serif;
    font-weight: 300;
    font-size: 16px;
    margin-left: 5px;
}