main.css

@import 'https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css';

.accordion-container {
    margin: 10px auto;
    max-width: 800px;
}

.accordion-header {
    font-size: 18px;
    font-weight: bold;
}
.accordion-text {
    font-size: 16px;
    border-top: 1px solid #ccc;
    color: black;
    position: relative;
    padding: 8px;
    cursor: pointer;
    font-weight: bold;
}
.accordion-text::before {
    font-family: 'FontAwesome';
    content: "\f078";
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    color: black;
    transition: all 0.3s ease-out;
}
.accordion-text.open::before {
    transform: rotate(180deg);
    top: 10%;
    right: 4px;
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    text-align: justify;
    transition: max-height 0.3s ease-out;
    margin: 0 10px 10px;
}