details {
    padding: 10px;
    border-bottom: 1px solid hsl(0, 0%, 90%);
}

details:first-child {
    border-top: 1px solid hsl(0, 0%, 90%);
}

details>div {
    margin-top: .6rem;
    padding: 10px;
    border-radius: 10px;
    font-size: 16px;
    background-color: var(--green);
}

details p {
    margin: 0 !important;
}

summary {
    list-style: none;
    font-style: italic;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}

summary::after {
    content: '\25BC';
    transition: 0.2s;
    align-self: center;
}

details {
    background-color: var(--header-bg-color);
}

details[open]>summary::after {
    transform: rotate(180deg);
}