details {
    margin: 5px auto;
    padding: 0 1rem;
    width: 90%/*35em*/;
    max-width: calc(100% - 2rem);
    position: relative;
    border: 1px solid #78909C;
    border-radius: 6px;
    background-color: #ECEFF1;
    color: #263238;
    transition: background-color 0.15s;
}
details > :last-child {
    margin-bottom: 1rem;
}
details::before {
    width: 100%;
    height: 100%;
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    border-radius: inherit;
    opacity: 0.15;
    box-shadow: 0 0.25em 0.5em #263238;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: -1;
}
details[open] {
    background-color: #FFF;
}
details[open]::before {
    opacity: 0.6;
}

summary {
    padding: 1rem 2em 1rem 0;
    display: block;
    position: relative;
    font-size: 1.33em;
    font-weight: bold;
    cursor: pointer;
}
summary::before, summary::after {
    width: 0.75em;
    height: 2px;
    position: absolute;
    top: 50%;
    right: 0;
    content: "";
    background-color: currentColor;
    text-align: right;
    transform: translateY(-50%);
    transition: transform 0.2s ease-in-out;
}
summary::after {
    transform: translateY(-50%) rotate(90deg);
}
[open] summary::after {
    transform: translateY(-50%) rotate(180deg);
}
summary::-webkit-details-marker {
    display: none;
}

p {
    margin: 0 0 1em;
    line-height: 1.5;
}

ul {
    margin: 0 0 1em;
    padding: 0 0 0 1em;
}

li:not(:last-child) {
    margin-bottom: 0.5em;
}

code {
    padding: 0.2em;
    border-radius: 3px;
    background-color: #E0E0E0;
}
pre > code {
    display: block;
    padding: 1em;
    margin: 0;
}

.cardHolder{
    display: flex;
    flex-direction: column;
    gap: 10px;
}