.accordion {
    margin: 5px;
    cursor: pointer;
    border: 1px solid;
    outline: none;
    transition: background-color 0.2s ease;
    font-size: 1.2em;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background-color: #ccdcff;
    color: #000dbe;
}

.accordion:after {
    content: '+';
    font-size: 1.5em;
}

.accordion.active:after {
    content: '-';
}

.panel {
    padding: 0 1em;
    display: none;
    background-color: #f9f9f9;
    overflow: hidden;
}