h4 {
    font-weight:bold!important;
}

/*after upgrade*/
summary {
    color: #3b3b3b;
    background: #dbdbdb;
    text-shadow: 0 1px 0 #fff;
    padding: 0.2em 0.5em;
    cursor: pointer;
}

/*after upgrade*/
h1{
    margin: 1em 0 0.5em;
    font-size: 1.357em;
    font-weight: inherit;
    margin-block: var(--sp1);
    line-height: normal;
}

/*after upgrade*/
h3{
    font-family: unset;
}

/*after upgrade*/
body{
    font-size: 1rem;
    line-height: 1.4;

}