css

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

.b--light-blue {
    border-color: #96ccff;
}

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

.db {
    display: block;
}

.fw4 {
    font-weight: 400;
}

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

.mw8 {
    max-width: 64rem;
}

.w-100 {
    width: 100%;
}

.black-70 {
    color: rgba(0, 0, 0, .7);
}

.white {
    color: #fff;
}

.blue {
    color: #357edd;
}

.bg-blue {
    background-color: #357edd;
}

.bg-lightest-blue {
    background-color: #cdecff;
}

.hover-bg-dark-blue:hover {
    background-color: #00449e;
}

.hover-bg-dark-blue:focus {
    background-color: #00449e;
}

.pa3 {
    padding: 1rem;
}

.pv3 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

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

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

.mb3 {
    margin-bottom: 1rem;
}

.mt0 {
    margin-top: 0;
}

.mv0 {
    margin-top: 0;
    margin-bottom: 0;
}

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

.tc {
    text-align: center;
}

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

.measure {
    max-width: 30em;
}

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

.v-mid {
    vertical-align: middle;
}

.bg-animate, .bg-animate:hover, .bg-animate:focus {
    transition: background-color .15s ease-in-out;
}

@media screen and (min-width: 30em) {
    .dt-ns {
        display: table;
    }

    .dtc-ns {
        display: table-cell;
    }

    .dt--fixed-ns {
        table-layout: fixed;
        width: 100%;
    }

    .pa4-ns {
        padding: 2rem;
    }

    .ph5-ns {
        padding-left: 4rem;
        padding-right: 4rem;
    }
}