.challenges {
    background-image: url('../images/graph-paper-bg.jpg');
    background-position: center center;
    background-size: cover;
}

.challenges-heading {
    text-align: center;
    color: var(--color-secondary-dark);
    height: 100px;
}

.challenges-list {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.challenges-list .sticky-note .arrow-red {
    height: 60px;
    top: -100px;
    left: 360px;
    position: absolute;
    transform: rotate(90deg);
    z-index: 5;
}

.challenges-card {
    position: relative;
    padding: var(--spacing-sm);
    color: var(--color-primary-dark);
    width: 100%;
    background-color: var(--color-primary-light);
    clip-path: polygon(0 0, 100% 0, 100% 80%, 80% 100%, 0 100%, 0 0);
}

.challenges-card>img {
    width: 60px;
    height: 60px;
}

.challenges-title {
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-size: 2rem;
    line-height: 2.4rem;
    color: var(--color-danger);
}

.challenges-summary {
    color: var(--color-secondary-dark);
}

@media screen and (width > 540px) {

    .challenges-card {
        width: 400px;
        height: 400px;
    }

}

@media screen and (width > 1400px) {

    .challenges-list {
        flex-direction: row;
        align-items: unset;
        justify-content: space-between;
        height: 800px;
    }

    .challenges-list .sticky-note {
        position: relative;
    }

    .challenges-list .sticky-note:nth-child(2) {
        align-self: center;
    }

    .challenges-list .sticky-note:nth-child(3) {
        align-self: end;
    }

    .challenges-list .sticky-note .arrow-red {
        height: 120px;
        top: -180px;
        left: -200px;
        transform: rotate(30deg);
    }

}