css

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

.b--dark-green {
    border-color: #137752;
}

.br2 {
    border-radius: .25rem;
}

.br-pill {
    border-radius: 9999px;
}

.dib {
    display: inline-block;
}

.fw1 {
    font-weight: 100;
}

.fw2 {
    font-weight: 200;
}

.fw6 {
    font-weight: 600;
}

.lh-title {
    line-height: 1.25;
}

.lh-copy {
    line-height: 1.5;
}

.mw7 {
    max-width: 48rem;
}

.dark-green {
    color: #137752;
}

.washed-green {
    color: #e8fdf5;
}

.bg-dark-green {
    background-color: #137752;
}

.bg-washed-green {
    background-color: #e8fdf5;
}

.pv2 {
    padding-top: .5rem;
    padding-bottom: .5rem;
}

.pv5 {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.ph3 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.mr3 {
    margin-right: 1rem;
}

.mb3 {
    margin-bottom: 1rem;
}

.mb5 {
    margin-bottom: 4rem;
}

.mt0 {
    margin-top: 0;
}

.no-underline {
    text-decoration: none;
}

.tc {
    text-align: center;
}

.f3 {
    font-size: 1.5rem;
}

.f4 {
    font-size: 1.25rem;
}

.f5 {
    font-size: 1rem;
}

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

.center {
    margin-right: auto;
    margin-left: auto;
}

.grow {
    -moz-osx-font-smoothing: grayscale;
    backface-visibility: hidden;
    transform: translateZ(0);
    transition: transform .25s ease-out;
}

.grow:hover, .grow:focus {
    transform: scale(1.05);
}

.grow:active {
    transform: scale(.9);
}

@media screen and (min-width: 30em) {
    .ph5-ns {
        padding-left: 4rem;
        padding-right: 4rem;
    }

    .f2-ns {
        font-size: 2.25rem;
    }
}