.tabs-primary.tabs-wrapper {
    margin: 0;
}
.nav-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    background-color: darkgrey;
}
.nav-tabs li a {
    border: 2px solid #03a9f4;
    color: #03a9f4;
    background-color: #FFF;
    font-size: 18px;
    padding: 10px 20px;
    display: block;
    text-decoration: none;
    transition: all 0.25s ease-in;
}
.nav-tabs li + li a {
    border-left: 0;
}

.nav-tabs li a.is-active {
    background-color: #03a9f4;
    color: #FFF;
}
.nav-tabs li a:hover {
    background-color: #8ed7f9;
    color: #FFF;
    transition: all 0.25s ease-out;
}