/* Keep every editable caption inside its button, including explicit line breaks. */
.lbms-header-shell .lbms-header-button{height:auto;min-height:var(--lbms-header-height);white-space:normal;overflow-wrap:anywhere;text-align:center;max-width:min(340px,calc(100vw - 48px));}
.lbms-header-shell .lbms-header-button>.lbm-standard-label,.lbms-header-shell .lbms-header-button>span{min-width:0;max-width:100%;white-space:pre-line;overflow-wrap:anywhere;}
.lbms-header-shell .lbms-header-roots .lbms-header-button{white-space:normal;}
.lbms-header-shell .lbm-standard-label{overflow-wrap:anywhere;}
.lbms-header-shell .lbms-header-button>span:not([aria-hidden]){flex:1;text-align:inherit;}