.read-more-content { position: relative;  overflow: hidden;  transition: height 0.4s ease; }.read-more-content::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 4em;  pointer-events: none; background: linear-gradient( rgba(255,255,255,0), rgba(255,255,255,1) );}.read-more-content.expanded::after { display: none;}.read-more-btn { cursor: pointer; }