.signature-preview-shell{isolation:isolate;height:100svh;min-height:780px;max-height:1000px;position:relative;overflow:hidden;transform:translateZ(0)}.signature-opening h1{overflow-wrap:anywhere;max-width:100%}.signature-opening .opening-meta{text-align:center;overflow-wrap:anywhere;max-width:100%}.signature-opening .opening-card{overflow-y:auto}@media (width<=600px){.signature-preview-shell{min-height:640px}}