/* Invertiere alle Icons im Haupt-App-Menü */
ul.app-menu-main {
  filter: invert(0%);
}

/* Invertiere spezifische Icons im Header */
header#header .header-right .header-menu .header-menu__trigger .button-vue__icon .material-design-icon {
  filter: invert(0%);
}

/* Invertiere spezifisches SVG-Path-Element */
svg path[d="M 19,11.79 C 18.5,11.92 18,12 17.5,12 14.47,12 12,9.53 12,6.5 12,5.03 12.58,3.7 13.5,2.71 13.15,2.28 12.61,2 12,2 10.9,2 10,2.9 10,4 V 4.29 C 7.03,5.17 5,7.9 5,11 v 6 l -2,2 v 1 H 21 V 19 L 19,17 V 11.79 M 12,23 c 1.11,0 2,-0.89 2,-2 h -4 c 0,1.11 0.9,2 2,2 z"] {
  filter: invert(0%);
}