.flb-icon {
    width: 1.25em;
    height: 1.25em;
    display: inline-block;
    vertical-align: -0.22em;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: 0 0 auto;
}

.flb-icon--brand {
    fill: currentColor;
    stroke: none;
}

.flb-icon--feature {
    width: 1.65em;
    height: 1.65em;
}

.flb-icon--hero {
    width: 2.4em;
    height: 2.4em;
}

.flb-icon-shell {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(
            145deg,
            rgba(32,211,162,.18),
            rgba(69,168,255,.10)
        );
    border: 1px solid rgba(255,255,255,.10);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.08),
        0 10px 28px rgba(0,0,0,.14);
}