section.about-sec {
    background: #1b1b1b;
}
.accordion-item {
    background-color: transparent;
    border: 1px dotted var(--secondary-color);
}
.accordion-button:not(.collapsed) {
    color: var(--white-color);
}
.accordion-button{
    font-size: 18px;
    color: #fff;
    background-color: transparent;
}
.accordion-button::after{
    background-image: url("../images/down-arrow.png");
}
.accordion-button:not(.collapsed)::after{
    background-image: url("../images/down-arrow.png") !important;
}

.accordion-header {
    margin-bottom: 0;
    background: #aa8453;
}