*,
*::before,
*::after {
    box-sizing: border-box
}

input[type=checkbox] {
    display: none
}

.cadre-ex {
    max-width: 300px;
}

.accordeon01,
.accordeon02,
.accordeon03,
.accordeon04,
.accordeon05{
    display: grid;
    transition: grid-template-rows .4s ease-in-out;
    grid-template-rows: 1fr 0;
    overflow: hidden;
}

.nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0
}

.nav li a {
    background-color: #0171AB;
    display: flex;
    justify-content: left;
    padding-left: 20px;
    height: 40px;
    align-items: center;
    font-size:14px;
    color: white;
    text-decoration: none;
}

    .nav li a:hover {
        background-color: #002950;
        box-shadow: none;
    }

.cadre-accordeon label {
    cursor: pointer;
    display: flex;
    background-color: #194879;
    color: white;
    height: 40px;
    padding: 5px;
    margin-top: 3px;
    align-items: center;
}

    .cadre-accordeon label::before {
        content: '↓';
        margin-right: 10px;
    }

.cadre-accordeon input:checked ~ .accordeon01 label::before {    content: '→'}
.cadre-accordeon input:checked ~ .accordeon02 label::before {    content: '→'}
.cadre-accordeon input:checked ~ .accordeon03 label::before {    content: '→'}
.cadre-accordeon input:checked ~ .accordeon04 label::before {    content: '→'}
.cadre-accordeon input:checked ~ .accordeon05 label::before {    content: '→'}

.cadre-ex input:checked ~ .accordeon label,
.cadre-ex label:hover {    filter: saturate(220%)}

.cadre-accordeon input:checked ~ .accordeon01 {    grid-template-rows: 1fr 201px;}
.cadre-accordeon input:checked ~ .accordeon02 {    grid-template-rows: 1fr 961px;}
.cadre-accordeon input:checked ~ .accordeon03 {    grid-template-rows: 1fr 351px;}
.cadre-accordeon input:checked ~ .accordeon04 {    grid-template-rows: 1fr 675px;}
.cadre-accordeon input:checked ~ .accordeon05 {    grid-template-rows: 1fr 125px;}