details {
    border-left: .3rem solid #448aff;
    border-radius: 3px;
    box-shadow: 2px 2px 6px -2px #000;
    margin: 10px 0
}

summary {
    background-color: #ecf3ff;
    cursor: pointer;
    font-weight: 700;
    display: list-item;
    line-height: 30px;
    outline: none
}