accordion

.myaccordion {
max-width: 500px;
margin: 50px auto;
box-shadow: 0 0 1px rgba(0,0,0,0.1);
}

.myaccordion .card,
.myaccordion .card:last-child .card-header {
border: none;
}

.myaccordion .card-header {
border-bottom-color: #EDEFF0;
background: transparent;
}

.myaccordion .fa-stack {
font-size: 18px;
}

.myaccordion .btn {
width: 100%;
font-weight: bold;
color: #004987;
padding: 0;
}

.myaccordion .btn-link:hover,
.myaccordion .btn-link:focus {
text-decoration: none;
}

.myaccordion li + li {
margin-top: 10px;
}