.tool-panel,
.welcome-panel,
.tool-shell,
.ie-tool-shell {
  position: relative;
  overflow: hidden;
}

.tool-panel::before,
.welcome-panel::before,
.tool-shell::before,
.ie-tool-shell::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 0;
  background: transparent;
  box-shadow: none;
  pointer-events: none;
}