css

.ba {
    border-style: solid;
    border-width: 1px;
}

.b--black-10 {
    border-color: rgba(0, 0, 0, .1);
}

.br-100 {
    border-radius: 100%;
}

.fw2 {
    font-weight: 200;
}

.fw6 {
    font-weight: 600;
}

.h3 {
    height: 4rem;
}

.tracked {
    letter-spacing: .1em;
}

.w3 {
    width: 4rem;
}

.mid-gray {
    color: #555;
}

.gray {
    color: #777;
}

.pa1 {
    padding: .25rem;
}

.pv4 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.tc {
    text-align: center;
}

.ttu {
    text-transform: uppercase;
}

.f5 {
    font-size: 1rem;
}

.f6 {
    font-size: .875rem;
}

@media screen and (min-width: 30em) {
    .pv5-ns {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }

    .f4-ns {
        font-size: 1.25rem;
    }
}