.collapse-list {
    margin-bottom: 0;
    padding-left: 0;
    list-style: none;
    border-bottom: 1px solid #e0e0e0;
}

.collapse-open {
    display: none;
}

.collapse-painel {
    visibility: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height .1s,
    visibility .3s,
    opacity .3s;
}

.collapse-open:checked ~ .collapse-painel {
    max-height: 100%;
    opacity: 100;
    visibility: visible
}

.collapse-list li {
    margin-bottom: 0;
}

.collapse-list .collapse-btn {
    border-top: 1px solid #e0e0e0;
    cursor: pointer;
    display: block;
    padding: 15px 10px;
    margin-bottom: 0;
    color: ##a1b9c9;
    font-weight: normal;
    transition: background-color .2s ease;
}

.collapse-list .collapse-btn:hover {
	background: #404257;
	color: #FF0000;
}

.collapse-open ~ .collapse-btn:before {
    content: "?";
    float: right;
}

.collapse-open:checked ~ .collapse-btn:before {
    content: "?";
}

.collapse-list .collapse-inner {
    padding: 10px
}