details {
    margin-bottom: 10px;
    cursor: pointer;
}

summary {
    list-style: none;
    display: flex;
    align-items: center;
    font-weight: 300;
    outline: none;
    font-size:16px;
}

    summary::-webkit-details-marker {
        display: none;
    }

.sec-content {
    padding: 10px 0 10px 0px;
    color: #444;
    font-size:16px;
}

    .sec-content p {
        margin: 5px 0 5px 0;
    }

.accordion-plus summary::before {
    content: '+';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: #007bff;
    color: white;
    margin-right: 10px;
    font-size: 14px;
    border-radius: 2px;
}

details[open].accordion-plus summary::before {
    content: '−';
}

.accordion-arrow summary::before {
    border: solid black;
    border-width: 0 3px 3px 0;
    display: inline-block;
    transition: transform 0.3s ease;
    cursor: pointer;
    background-color: transparent;
    transform: rotate(-45deg);
    width: 4px;
    height: 4px;
    margin-left: 2px;
}

details[open].accordion-arrow summary::before {
    transform: rotate(45deg);
}

.accordion-arrow summary {
    font-size: 13px;
    font-weight: 600;
}