.content {
    position: relative;
    line-height: 1.5em;
    transition: max-height 0.3s ease-out;
    overflow: hidden;
}
.content.collapsed {
    max-height:var(--max-height, 6.5em);
}
.content.collapsed::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2em;
    background: linear-gradient(transparent, white);
    transition: opacity 0.3s ease-out;
}
.content.expanded {
    max-height: 1000px;
}
.content.expanded::after {
    opacity: 0;
}