better-network-chrome-panel/unpacked/panel/vendor/assets/stylesheets/style.css

@font-face {
    font-family: "icomoon";
    src: url("../fonts/icomoon.eot");
    src: url("../fonts/icomoon.eot") format("embedded-opentype"), url("../fonts/icomoon.ttf") format("truetype"),
        url("../fonts/icomoon.woff") format("woff"), url("../fonts/icomoon.svg") format("svg");
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

[class^="icon-"],
[class*=" icon-"] {
    /* use !important to prevent issues with browser extensions that change fonts */
    font-family: "icomoon" !important;
    speak: never;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;

    /* Better Font Rendering =========== */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* NEW */

.icon-floppy-disk:before {
    content: "\e962";
}
.icon-search:before {
    content: "\e986";
}
.icon-meter:before {
    content: "\e9a6";
}
.icon-download3:before {
    content: "\e9c7";
}
.icon-upload3:before {
    content: "\e9c8";
}
.icon-link:before {
    content: "\e9cb";
}
.icon-blocked:before {
    content: "\ea0e";
}
.icon-filter:before {
    content: "\ea5b";
}
.icon-embed:before {
    content: "\ea7f";
}
.icon-embed2:before {
    content: "\ea80";
}
.icon-terminal:before {
    content: "\ea81";
}
.icon-sphere:before {
    content: "\e9c9";
}