wagtail/wagtail/wagtailadmin/static/wagtailadmin/scss/components/icons.scss

.icon.teal{
    color:$color-teal;
}
.icon.white{
    color:white
}

.icon:before,
.icon:after,
.hallotoolbar [class^="icon-"],
.hallotoolbar [class*=" icon-"]:before,
.hallotoolbar [class^="icon-"]:before{
    font-family: "wagtail";
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none !important;
    speak: none;
    text-decoration: none;
    width: 1.3em;
    line-height: 1em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size:1.8em;
    text-align:left;
    vertical-align:middle;
    margin-right:0.2em;
}
.icon:after,
.hallotoolbar [class^="icon-"]:after,
.hallotoolbar [class^="icon-"]:after{
    text-align:right;
}

.hallotoolbar [class^="icon-"],
.hallotoolbar [class*=" icon-"]:before,
.hallotoolbar [class*=" icon-"]:before,
.hallotoolbar [class^="icon-"]:before{
    font-size:1.1em;
    vertical-align:-10%;
    font-size:1.05em;
    margin-right:0;
}


.icon-cogs:before {
    content: "a";
}
.icon-doc-empty-inverse:before {
    content: "b";
}
.icon-doc-empty:before{
    content: "c";
}
.icon-edit:before {
    content: "d";
}
.icon-arrow-up:before,
.icon-arrow-up-after:after {
    content: "e";
}
.icon-arrow-down:before,
.icon-arrow-down-after:after {
    content: "q";
}
.icon-search:before {
    content: "f";
}
.icon-cross:before {
    content: "g";
}
.icon-folder-open-1:before {
    content: "i";
}
.icon-folder-inverse:before {
    content: "j";
}
.icon-mail:before {
    content: "k";
}
.icon-arrows-up-down:before {
    content: "l";
}
.icon-locked:before {
    content: "m";
}
.icon-arrow-right:before,
.icon-arrow-right-after:after {
    content: "n";
}
.icon-doc-full:before,
.icon-file-text-alt:before {
    content: "h";
}
.icon-image:before,
.icon-picture:before {
    content: "o";
}
.icon-unlocked:before {
    content: "p";
}

.icon-doc-full-inverse:before {
    content: "r";
}
.icon-folder:before {
    content: "s";
}
.icon-plus:before {
    content: "t";
}
.icon-tag:before {
    content: "u";
}
.icon-folder-open-inverse:before {
    content: "v";
}
.icon-cog:before {
    content: "w";
}
.icon-tick:before {
    content: "x";
}
.icon-user:before {
    content: "y";
}
.icon-arrow-left:before {
    content: "z";
}
.icon-tick-inverse:before {
    content: "A";
}
.icon-plus-inverse:before {
    content: "B";
}
.icon-snippet:before {
    content: "D";
}
.icon-wagtail:before {
    content: "V";
}
.icon-wagtail-inverse:before {
    content: "0";
}
.icon-bold:before{
    content:"C";
}
.icon-italic:before{
    content:"E";
}
.icon-undo:before{
    content:"H";
}
.icon-repeat:before{
    content:"I";
}
.icon-list-ol:before{
    content:"G";
}
.icon-list-ul:before{
    content:"F";
}
.icon-link:before{
    content:"J";
}
.icon-radio-full:before{
    content:"K";
}
.icon-radio-empty:before{
    content:"L";
}
.icon-arrow-up-big:before{
    content:"M";
}
.icon-arrow-down-big:before{
    content:"N";
}
.icon-group:before{
    content:"O";
}
.icon-media:before{
    content:"P";
}
.icon-horizontalrule{
    &:before{
        font-family: Open Sans,Arial,sans-serif !important; // FML
        content:"\2014";
    }
}
.icon-password:before{
    content:"Q";
}
.icon-download:before{
    content:"S";
}
.icon-home:before{
    content:"W";
}
.icon-order:before{
    content:"T";
}
.icon-grip:before{
    content:"U";
}
.icon-order-down:before{
    content:"X";
}
.icon-order-up:before{
    content:"Y";
}
.icon-bin:before{
    content:"Z";
}
.icon-spinner:after{
    width:1em;
    animation: spin 1s infinite;
    -webkit-animation: spin 1s infinite;
    -moz-animation: spin 1s infinite;
    content:"1";
}
.icon-redirect:before{
    content:"3";
}
.icon-pick:before{
    content:"2";
}

.icon.text-replace{
    font-size:0em;
    line-height:0;
    overflow:hidden;
    
    &:before{
        margin-right:0;
        font-size:1rem;
        display:inline-block;
        width:100%;
        line-height:1.2em;
        text-align:center;
        vertical-align:middle;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@-webkit-keyframes spin {
    from {
        -webkit-transform: rotate(0deg);
    }
    to {
        -webkit-transform: rotate(360deg);
    }
}
@-moz-keyframes spin {
    from {
        -moz-transform: rotate(0deg);
    }
    to {
        -moz-transform: rotate(360deg);
    }
}