#content .challenge-offline {
    background: url('./images/wave.svg') no-repeat bottom center;
    background-size: 100%;
}

.challenge-blank-state {
    width: 100%;
    padding-top: 350px;
    padding-bottom: 12.5vw;
    background-position: top 75px center;
    background-repeat: no-repeat;

    @media (--xs-down) {
        background-size: 600px;
        background-position: top 50px left -50px;
    }

    &.pre-challenge {
        background-image: url('./images/challenge-mtn-pre.svg');
    }

    &.post-challenge {
        background-image: url('./images/challenge-mtn-post.svg');
    }
}

.challenge-header {
    font-size: 36px;
    font-weight: normal;
    margin-bottom: 1em;
}

.challenge-cta {
    max-width: 500px;
    padding: 0 25px;
    text-align: center;
    margin: 0 auto;
}

.challenge-mtn {
    display: inline-block;
    margin: 0 auto;
}

.challenge-alt {
    max-width: 320px;
    margin: 0 auto;
    font-size: 16px;
    text-align: center;
}

.custom-goal-button {
    border: 1px solid var(--valid-green);
    padding: 0 30px;
    height: 50px;
    background: var(--valid-green);
    color: var(--white);
    width: auto;
    display: inline-block;
    line-height: 50px;
    font-size: 16px;
}

.speak-btn,
.listen-btn {
    color: var(--black);
    background-color: var(--white);
    border: 1px solid var(--darker-grey);
    display: inline-flex;
    margin: 0 0.5rem 1.5rem;

    &:hover {
        color: var(--white);
        .speak-icon,
        .listen-icon {
            background-color: var(--white);
        }
    }
}

.speak-icon {
    background-color: var(--red);
}

.listen-icon {
    background-color: var(--valid-green);
}

.speak-btn {
    &:hover {
        background-color: var(--red);
        border: 1px solid var(--red);
    }
}
.listen-btn {
    &:hover {
        background-color: var(--valid-green);
        border: 1px solid var(--valid-green);
    }
}

@media (--md-down) {
    #content .challenge-offline {
        background-size: 1000px;
    }

    .challenge-blank-state {
        padding-bottom: 150px;
    }
}

@media (--xs-down) {
    #content .challenge-offline {
        background: none;
    }
    .challenge-blank-state {
        padding: 250px 0 0;
    }
}
