.expertise ul {
    margin-left: 0;
    padding-left: 0;
}

.expertise li {
    display: inline-block;
    margin: 0.25rem 0;
    padding: 0.5rem;
    background-color: #e8e8e8;
    font-size: 16px;
}

li {
    font-size: 14px;
}