Use this document as a way to quickly find the css styles for the icons you want to use.
<i class="entypo entypo-light-bulb"></i>
<i class="entypo entypo-light-bulb"></i>
<i class="entypo entypo-mobile"></i>
<i class="entypo entypo-mouse"></i>
<i class="entypo entypo-address"></i>
<i class="entypo entypo-mail"></i>
<i class="entypo entypo-paper-plane"></i>
<i class="entypo entypo-pencil"></i>
<i class="entypo entypo-feather"></i>
<i class="entypo entypo-attach"></i>
<i class="entypo entypo-inbox"></i>
<i class="entypo entypo-reply"></i>
<i class="entypo entypo-reply-all"></i>
<i class="entypo entypo-forward"></i>
<i class="entypo entypo-user"></i>
<i class="entypo entypo-users"></i>
<i class="entypo entypo-add-user"></i>
<i class="entypo entypo-vcard"></i>
<i class="entypo entypo-export"></i>
<i class="entypo entypo-location"></i>
<i class="entypo entypo-map"></i>
<i class="entypo entypo-compass"></i>
<i class="entypo entypo-direction"></i>
<i class="entypo entypo-hair-cross"></i>
<i class="entypo entypo-share"></i>
<i class="entypo entypo-shareable"></i>
<i class="entypo entypo-heart"></i>
<i class="entypo entypo-heart-empty"></i>
<i class="entypo entypo-star"></i>
<i class="entypo entypo-star-empty"></i>
<i class="entypo entypo-thumbs-up"></i>
<i class="entypo entypo-thumbs-down"></i>
<i class="entypo entypo-chat"></i>
<i class="entypo entypo-comment"></i>
<i class="entypo entypo-quote"></i>
<i class="entypo entypo-home"></i>
<i class="entypo entypo-popup"></i>
<i class="entypo entypo-search"></i>
<i class="entypo entypo-flashlight"></i>
<i class="entypo entypo-print"></i>
<i class="entypo entypo-bell"></i>
<i class="entypo entypo-link"></i>
<i class="entypo entypo-flag"></i>
<i class="entypo entypo-cog"></i>
<i class="entypo entypo-tools"></i>
<i class="entypo entypo-trophy"></i>
<i class="entypo entypo-tag"></i>
<i class="entypo entypo-camera"></i>
<i class="entypo entypo-megaphone"></i>
<i class="entypo entypo-moon"></i>
<i class="entypo entypo-palette"></i>
<i class="entypo entypo-leaf"></i>
<i class="entypo entypo-note"></i>
<i class="entypo entypo-beamed-note"></i>
<i class="entypo entypo-new"></i>
<i class="entypo entypo-graduation-cap"></i>
<i class="entypo entypo-book"></i>
<i class="entypo entypo-newspaper"></i>
<i class="entypo entypo-bag"></i>
<i class="entypo entypo-airplane"></i>
<i class="entypo entypo-lifebuoy"></i>
<i class="entypo entypo-eye"></i>
<i class="entypo entypo-clock"></i>
<i class="entypo entypo-mic"></i>
<i class="entypo entypo-calendar"></i>
<i class="entypo entypo-flash"></i>
<i class="entypo entypo-thunder-cloud"></i>
<i class="entypo entypo-droplet"></i>
<i class="entypo entypo-cd"></i>
<i class="entypo entypo-briefcase"></i>
<i class="entypo entypo-air"></i>
<i class="entypo entypo-gauge"></i>
<i class="entypo entypo-language"></i>
<i class="entypo entypo-hourglass"></i>
<i class="entypo entypo-network"></i>
<i class="entypo entypo-key"></i>
<i class="entypo entypo-battery"></i>
<i class="entypo entypo-bucket"></i>
<i class="entypo entypo-magnet"></i>
<i class="entypo entypo-drive"></i>
<i class="entypo entypo-cup"></i>
<i class="entypo entypo-rocket"></i>
<i class="entypo entypo-brush"></i>
<i class="entypo entypo-suitcase"></i>
<i class="entypo entypo-traffic-cone"></i>
<i class="entypo entypo-globe"></i>
<i class="entypo entypo-keyboard"></i>
<i class="entypo entypo-browser"></i>
<i class="entypo entypo-publish"></i>
<i class="entypo entypo-progress-3"></i>
<i class="entypo entypo-progress-2"></i>
<i class="entypo entypo-progress-1"></i>
<i class="entypo entypo-progress-0"></i>
<i class="entypo entypo-light-down"></i>
<i class="entypo entypo-light-up"></i>
<i class="entypo entypo-adjust"></i>
<i class="entypo entypo-code"></i>
<i class="entypo entypo-monitor"></i>
<i class="entypo entypo-infinity"></i>
<i class="entypo entypo-light-bulb"></i>
<i class="entypo entypo-credit-card"></i>
<i class="entypo entypo-database"></i>
<i class="entypo entypo-voicemail"></i>
<i class="entypo entypo-clipboard"></i>
<i class="entypo entypo-cart"></i>
<i class="entypo entypo-box"></i>
<i class="entypo entypo-ticket"></i>
<i class="entypo entypo-rss"></i>
<i class="entypo entypo-signal"></i>
<i class="entypo entypo-thermometer"></i>
<i class="entypo entypo-water"></i>
<i class="entypo entypo-sweden"></i>
<i class="entypo entypo-line-graph"></i>
<i class="entypo entypo-pie-chart"></i>
<i class="entypo entypo-bar-graph"></i>
<i class="entypo entypo-area-graph"></i>
<i class="entypo entypo-lock"></i>
<i class="entypo entypo-lock-open"></i>
<i class="entypo entypo-logout"></i>
<i class="entypo entypo-login"></i>
<i class="entypo entypo-check"></i>
<i class="entypo entypo-cross"></i>
<i class="entypo entypo-squared-minus"></i>
<i class="entypo entypo-squared-plus"></i>
<i class="entypo entypo-squared-cross"></i>
<i class="entypo entypo-circled-minus"></i>
<i class="entypo entypo-circled-plus"></i>
<i class="entypo entypo-circled-cross"></i>
<i class="entypo entypo-minus"></i>
<i class="entypo entypo-plus"></i>
<i class="entypo entypo-erase"></i>
<i class="entypo entypo-block"></i>
<i class="entypo entypo-info"></i>
<i class="entypo entypo-circled-info"></i>
<i class="entypo entypo-help"></i>
<i class="entypo entypo-circled-help"></i>
<i class="entypo entypo-warning"></i>
<i class="entypo entypo-cycle"></i>
<i class="entypo entypo-cw"></i>
<i class="entypo entypo-ccw"></i>
<i class="entypo entypo-shuffle"></i>
<i class="entypo entypo-back"></i>
<i class="entypo entypo-level-down"></i>
<i class="entypo entypo-retweet"></i>
<i class="entypo entypo-loop"></i>
<i class="entypo entypo-back-in-time"></i>
<i class="entypo entypo-level-up"></i>
<i class="entypo entypo-switch"></i>
<i class="entypo entypo-numbered-list"></i>
<i class="entypo entypo-add-to-list"></i>
<i class="entypo entypo-layout"></i>
<i class="entypo entypo-list"></i>
<i class="entypo entypo-text-doc"></i>
<i class="entypo entypo-text-doc-inverted"></i>
<i class="entypo entypo-doc"></i>
<i class="entypo entypo-docs"></i>
<i class="entypo entypo-landscape-doc"></i>
<i class="entypo entypo-picture"></i>
<i class="entypo entypo-video"></i>
<i class="entypo entypo-music"></i>
<i class="entypo entypo-folder"></i>
<i class="entypo entypo-archive"></i>
<i class="entypo entypo-trash"></i>
<i class="entypo entypo-upload"></i>
<i class="entypo entypo-download"></i>
<i class="entypo entypo-save"></i>
<i class="entypo entypo-install"></i>
<i class="entypo entypo-cloud"></i>
<i class="entypo entypo-upload-cloud"></i>
<i class="entypo entypo-bookmark"></i>
<i class="entypo entypo-bookmarks"></i>
<i class="entypo entypo-open-book"></i>
<i class="entypo entypo-play"></i>
<i class="entypo entypo-pause"></i>
<i class="entypo entypo-record"></i>
<i class="entypo entypo-stop"></i>
<i class="entypo ntypo-ff"></i>
<i class="entypo entypo-fb"></i>
<i class="entypo entypo-to-start"></i>
<i class="entypo entypo-to-end"></i>
<i class="entypo entypo-resize-full"></i>
<i class="entypo entypo-resize-small"></i>
<i class="entypo entypo-volume"></i>
<i class="entypo entypo-sound"></i>
<i class="entypo entypo-mute"></i>
<i class="entypo entypo-flow-cascade"></i>
<i class="entypo entypo-flow-branch"></i>
<i class="entypo entypo-flow-tree"></i>
<i class="entypo entypo-flow-line"></i>
<i class="entypo entypo-flow-parallel"></i>
<i class="entypo entypo-left-bold"></i>
<i class="entypo entypo-down-bold"></i>
<i class="entypo entypo-up-bold"></i>
<i class="entypo entypo-right-bold"></i>
<i class="entypo entypo-left"></i>
<i class="entypo entypo-down"></i>
<i class="entypo entypo-up"></i>
<i class="entypo entypo-right"></i>
<i class="entypo entypo-circled-left"></i>
<i class="entypo entypo-circled-down"></i>
<i class="entypo entypo-circled-up"></i>
<i class="entypo entypo-circled-right"></i>
<i class="entypo entypo-triangle-left"></i>
<i class="entypo entypo-triangle-down"></i>
<i class="entypo entypo-triangle-up"></i>
<i class="entypo entypo-triangle-right"></i>
<i class="entypo entypo-chevron-left"></i>
<i class="entypo entypo-chevron-down"></i>
<i class="entypo entypo-chevron-up"></i>
<i class="entypo entypo-chevron-right"></i>
<i class="entypo entypo-chevron-small-left"></i>
<i class="entypo entypo-chevron-small-down"></i>
<i class="entypo entypo-chevron-small-up"></i>
<i class="entypo entypo-chevron-small-right"></i>
<i class="entypo entypo-chevron-thin-left"></i>
<i class="entypo chevron-thin-down"></i>
<i class="entypo chevron-thin-up"></i>
<i class="entypo chevron-thin-right"></i>
<i class="entypo entypo-left-thin"></i>
<i class="entypo entypo-down-thin"></i>
<i class="entypo entypo-up-thin"></i>
<i class="entypo entypo-right-thin"></i>
<i class="entypo entypo-arrow-combo"></i>
<i class="entypo entypo-three-dots"></i>
<i class="entypo entypo-two-dots"></i>
<i class="entypo entypo-dot"></i>
<i class="entypo entypo-cc"></i>
<i class="entypo entypo-cc-by"></i>
<i class="entypo entypo-cc-nc"></i>
<i class="entypo v"></i>
<i class="entypo entypo-cc-nc-jp"></i>
<i class="entypo entypo-cc-sa"></i>
<i class="entypo entypo-cc-nd"></i>
<i class="entypo entypo-cc-pd"></i>
<i class="entypo entypo-cc-zero"></i>
<i class="entypo entypo-cc-share"></i>
<i class="entypo entypo-cc-remix"></i>
<i class="entypo entypo-db-logo"></i>
<i class="entypo entypo-db-shape"></i>