h2, h3, h4, .h2, .h3, .h4 {}

.row {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}
.collapse:not(.show) {
    display: none;
}

.accordion-item {
    margin-bottom: 1.5rem;
    background-color: #fff;
    border: 3px dotted rgba(0, 0, 0, .125);
}
.accordion-header {
    margin-bottom: 0;
}
.accordion-body {
    padding: 1rem 1.25rem;
}
.accordion-button:focus {
    outline: none;
}
.accordion-button {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    color: #212529;
    text-align: left;
    background-color: #fff;
    border: 0;
    border-radius: 0;
    overflow-anchor: none;
    transition: color .15s
    ease-in-out, background-color .15s
    ease-in-out, border-color .15s
    ease-in-out, box-shadow .15s
    ease-in-out, border-radius .15s
    ease;
}
.accordion-button:not(.collapsed) {
    color: #0c63e4;
    background-color: #e7f1ff;
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .125);
}
.accordion-button::after {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-left: auto;
    content: "";
    background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>");
    background-repeat: no-repeat;
    background-size: 1.25rem;
    transition: transform .2s
    ease-in-out;
}
.accordion-button:not(.collapsed)::after {
    transform: rotate(-180deg);
    background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230c63e4'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>");
}