/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/button_effect_icon_glow.css made available under Mozilla Public License v. 2.0
See the above repository for updates as well as full license text. */

/* Replace the button background-colors with a glow effect */
/* Edit the color choices how you see fit */
:root{
  --uc-icon-glow-primary: cyan;
  --uc-icon-glow-secondary: cadetblue;
  --uc-icon-glow-hover-primary: red;
  --uc-icon-glow-hover-secondary: yellow;
}

/* Make backgrounds transparent */
.close-icon,
.urlbar-icon,
.urlbar-icon-wrapper,
toolbar .toolbarbutton-1,
#tabbrowser-tabs toolbarbutton,
toolbar toolbarbutton > .toolbarbutton-icon,
toolbar toolbarbutton > .toolbarbutton-badge-stack,
.titlebar-button,
#identity-box,
.identity-box-button,
#tracking-protection-icon-container,
.findbar-textbox~toolbarbutton,
toolbarbutton.scrollbutton-up,
toolbarbutton.scrollbutton-down,
toolbarbutton#scrollbutton-up,
toolbarbutton#scrollbutton-down{
  background-color: transparent !important;
  border-color: transparent !important;
}

/* Glow effects on hover */
.close-icon:hover,
.urlbar-history-dropmarker:hover,
#page-action-buttons > .urlbar-icon:hover,
.urlbar-icon-wrapper:hover > .urlbar-icon,
toolbar .toolbarbutton-1:not([disabled]):hover .toolbarbutton-icon,
#TabsToolbar toolbarbutton:not([disabled]):hover .toolbarbutton-icon,
toolbar #downloads-button:hover #downloads-indicator-anchor,
.identity-box-button:hover,
#tracking-protection-icon:hover,
.findbar-textbox~toolbarbutton:not([disabled]):hover,
toolbarbutton.scrollbutton-up:not([disabled]):hover,
toolbarbutton.scrollbutton-down:not([disabled]):hover,
toolbarbutton#scrollbutton-up:not([disabled]):hover,
toolbarbutton#scrollbutton-down:not([disabled]):hover{ 
  filter: drop-shadow(0 0 2px var(--uc-icon-glow-secondary)) drop-shadow(0 0 1px var(--uc-icon-glow-primary))
}

/* Active states and close window button hover state */
#titlebar .titlebar-buttonbox > .titlebar-close:hover > .toolbarbutton-icon,
.close-icon:active,
.urlbar-history-dropmarker:active,
#page-action-buttons > .urlbar-icon:active,
#page-action-buttons > .urlbar-icon[open],
.urlbar-icon-wrapper:active > .urlbar-icon,
.urlbar-icon-wrapper[open] > .urlbar-icon,
toolbar toolbarbutton:not([disabled]):active .toolbarbutton-icon,
toolbar toolbarbutton:not([disabled])[open] .toolbarbutton-icon,
#TabsToolbar toolbarbutton:not([disabled]):active .toolbarbutton-icon,
toolbar #downloads-button:active #downloads-indicator-anchor,
toolbar #downloads-button[open] #downloads-indicator-anchor,
.identity-box-button:active,
#tracking-protection-icon-container[open] #tracking-protection-icon,
.findbar-textbox~toolbarbutton:not([disabled]):active,
toolbarbutton.scrollbutton-up:active,
toolbarbutton.scrollbutton-down:active,
toolbarbutton#scrollbutton-up:active,
toolbarbutton#scrollbutton-down:active{ 
  filter: drop-shadow(0 0 2px var(--uc-icon-glow-hover-secondary)) drop-shadow(0 0 1px var(--uc-icon-glow-hover-primary))
}