.accordion
{
    border: 1px solid #999;
    border-radius: 15px;
    padding: 0;
    background: #fff;
}
.accordion-item:first-of-type{
    border-top: 0;
}
.accordion-item:last-of-type, .accordion-item:last-of-type .accordion-button.collapsed{
    border-bottom: 0 !important;
}
.accordion-button{
    padding: 1.2rem;
}
.accordion-button:not(.collapsed){
    color: #444;
}