#accordionBlock .accordion-item {
    margin-bottom: 10px;
}

#accordionBlock .accordion-item {
    border: 1px solid #dee2e6;
}


#accordionBlock .accordion-item  .accordion-header .accordion-button {
    font-weight: bold;
    font-size: 16px;
    background-color: #fff;
}


#accordionBlock .accordion-item  .accordion-header .accordion-button:focus {
    box-shadow: none;
}

@media screen and (min-width: 769px) {
    #accordionBlock .accordion-item  .accordion-header .accordion-button {
        font-size: 20px;
    }
}