#activity-email-panel,
#activity-email-panel * {
  box-sizing: border-box;
}

#activity-email-panel {
  min-width: 0;
  overflow-wrap: anywhere;
}

#activity-email-fields {
  display: grid;
  gap: 16px;
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

#activity-email-panel input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}

#activity-email-panel .btn {
  white-space: normal;
  max-width: 100%;
  min-width: 0;
  min-height: 40px;
  height: auto;
}