diff --git a/.gitignore b/.gitignore
index a268226..b4782a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.idea/
 .DS_Store
 node_modules
 npm-debug.log
diff --git a/assets/icons/uEA50-teenagers.svg b/assets/icons/uEA50-teenagers.svg
new file mode 100644
index 0000000..8a68de0
--- /dev/null
+++ b/assets/icons/uEA50-teenagers.svg
@@ -0,0 +1,88 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
+ "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+ width="512.000000pt" height="512.000000pt" viewBox="0 0 512.000000 512.000000"
+ preserveAspectRatio="xMidYMid meet">
+
+<g transform="translate(0.000000,512.000000) scale(0.100000,-0.100000)"
+fill="#000000" stroke="none">
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+</g>
+</svg>
diff --git a/css/iconfont4s.css b/css/iconfont4s.css
index a40ce7f..60c96b6 100644
--- a/css/iconfont4s.css
+++ b/css/iconfont4s.css
@@ -3,8 +3,8 @@
   src: url("../fonts/iconfont4s.eot");
   src: url("../fonts/iconfont4s.eot?#iefix") format("embedded-opentype"), url("../fonts/iconfont4s.woff") format("woff"), url("../fonts/iconfont4s.ttf") format("truetype"), url("../fonts/iconfont4s.svg#iconfont4s") format("svg");
   font-weight: normal;
-  font-style: normal; }
-
+  font-style: normal;
+}
 .if4s {
   font-family: "iconfont4s" !important;
   font-style: normal !important;
@@ -14,226 +14,305 @@
   speak: none;
   line-height: 1;
   -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale; }
+  -moz-osx-font-smoothing: grayscale;
+}
 
 .if4s-bulb:before {
-  content: "\EA01"; }
+  content: "\ea01";
+}
 
 .if4s-arts:before {
-  content: "\EA02"; }
+  content: "\ea02";
+}
 
 .if4s-parent:before {
-  content: "\EA03"; }
+  content: "\ea03";
+}
 
 .if4s-school-generic:before {
-  content: "\EA04"; }
+  content: "\ea04";
+}
 
 .if4s-speaker:before {
-  content: "\EA05"; }
+  content: "\ea05";
+}
 
 .if4s-teacher:before {
-  content: "\EA06"; }
+  content: "\ea06";
+}
 
 .if4s-award:before {
-  content: "\EA07"; }
+  content: "\ea07";
+}
 
 .if4s-biology:before {
-  content: "\EA08"; }
+  content: "\ea08";
+}
 
 .if4s-business:before {
-  content: "\EA09"; }
+  content: "\ea09";
+}
 
 .if4s-chemistry:before {
-  content: "\EA0A"; }
+  content: "\ea0a";
+}
 
 .if4s-citizenship:before {
-  content: "\EA0B"; }
+  content: "\ea0b";
+}
 
 .if4s-computing:before {
-  content: "\EA0C"; }
+  content: "\ea0c";
+}
 
 .if4s-design:before {
-  content: "\EA0D"; }
+  content: "\ea0d";
+}
 
 .if4s-duedil:before {
-  content: "\EA0E"; }
+  content: "\ea0e";
+}
 
 .if4s-economics:before {
-  content: "\EA0F"; }
+  content: "\ea0f";
+}
 
 .if4s-edmodo:before {
-  content: "\EA10"; }
+  content: "\ea10";
+}
 
 .if4s-engineering:before {
-  content: "\EA11"; }
+  content: "\ea11";
+}
 
 .if4s-female:before {
-  content: "\EA12"; }
+  content: "\ea12";
+}
 
 .if4s-geography:before {
-  content: "\EA13"; }
+  content: "\ea13";
+}
 
 .if4s-govmt:before {
-  content: "\EA14"; }
+  content: "\ea14";
+}
 
 .if4s-grid:before {
-  content: "\EA15"; }
+  content: "\ea15";
+}
 
 .if4s-history:before {
-  content: "\EA16"; }
+  content: "\ea16";
+}
 
 .if4s-house:before {
-  content: "\EA17"; }
+  content: "\ea17";
+}
 
 .if4s-languages:before {
-  content: "\EA18"; }
+  content: "\ea18";
+}
 
 .if4s-law:before {
-  content: "\EA19"; }
+  content: "\ea19";
+}
 
 .if4s-list:before {
-  content: "\EA1A"; }
+  content: "\ea1a";
+}
 
 .if4s-literature:before {
-  content: "\EA1B"; }
+  content: "\ea1b";
+}
 
 .if4s-male:before {
-  content: "\EA1C"; }
+  content: "\ea1c";
+}
 
 .if4s-marketing:before {
-  content: "\EA1D"; }
+  content: "\ea1d";
+}
 
 .if4s-maths:before {
-  content: "\EA1E"; }
+  content: "\ea1e";
+}
 
 .if4s-media:before {
-  content: "\EA1F"; }
+  content: "\ea1f";
+}
 
 .if4s-medicine:before {
-  content: "\EA20"; }
+  content: "\ea20";
+}
 
 .if4s-music:before {
-  content: "\EA21"; }
+  content: "\ea21";
+}
 
 .if4s-network:before {
-  content: "\EA22"; }
+  content: "\ea22";
+}
 
 .if4s-paint:before {
-  content: "\EA23"; }
+  content: "\ea23";
+}
 
 .if4s-philosophy:before {
-  content: "\EA24"; }
+  content: "\ea24";
+}
 
 .if4s-physics:before {
-  content: "\EA25"; }
+  content: "\ea25";
+}
 
 .if4s-psychology:before {
-  content: "\EA26"; }
+  content: "\ea26";
+}
 
 .if4s-religion:before {
-  content: "\EA27"; }
+  content: "\ea27";
+}
 
 .if4s-science:before {
-  content: "\EA28"; }
+  content: "\ea28";
+}
 
 .if4s-sociology:before {
-  content: "\EA29"; }
+  content: "\ea29";
+}
 
 .if4s-step-1:before {
-  content: "\EA2A"; }
+  content: "\ea2a";
+}
 
 .if4s-step-2:before {
-  content: "\EA2B"; }
+  content: "\ea2b";
+}
 
 .if4s-step-3:before {
-  content: "\EA2C"; }
+  content: "\ea2c";
+}
 
 .if4s-students:before {
-  content: "\EA2D"; }
+  content: "\ea2d";
+}
 
 .if4s-tech:before {
-  content: "\EA2E"; }
+  content: "\ea2e";
+}
 
 .if4s-checkflag:before {
-  content: "\EA2F"; }
+  content: "\ea2f";
+}
 
 .if4s-politics:before {
-  content: "\EA30"; }
+  content: "\ea30";
+}
 
 .if4s-physed:before {
-  content: "\EA31"; }
+  content: "\ea31";
+}
 
 .if4s-role-model:before {
-  content: "\EA32"; }
+  content: "\ea32";
+}
 
 .if4s-careers-fair:before {
-  content: "\EA33"; }
+  content: "\ea33";
+}
 
 .if4s-lightbulb:before {
-  content: "\EA34"; }
+  content: "\ea34";
+}
 
 .if4s-school:before {
-  content: "\EA35"; }
+  content: "\ea35";
+}
 
 .if4s-my-wow:before {
-  content: "\EA36"; }
+  content: "\ea36";
+}
 
 .if4s-calendar:before {
-  content: "\EA37"; }
+  content: "\ea37";
+}
 
 .if4s-email:before {
-  content: "\EA38"; }
+  content: "\ea38";
+}
 
 .if4s-phone:before {
-  content: "\EA39"; }
+  content: "\ea39";
+}
 
 .if4s-alert:before {
-  content: "\EA3A"; }
+  content: "\ea3a";
+}
 
 .if4s-arrow-up:before {
-  content: "\EA3B"; }
+  content: "\ea3b";
+}
 
 .if4s-register:before {
-  content: "\EA3C"; }
+  content: "\ea3c";
+}
 
 .if4s-signin:before {
-  content: "\EA3D"; }
+  content: "\ea3d";
+}
 
 .if4s-certificate:before {
-  content: "\EA3E"; }
+  content: "\ea3e";
+}
 
 .if4s-handshake:before {
-  content: "\EA3F"; }
+  content: "\ea3f";
+}
 
 .if4s-art:before {
-  content: "\EA40"; }
+  content: "\ea40";
+}
 
 .if4s-designtech:before {
-  content: "\EA41"; }
+  content: "\ea41";
+}
 
 .if4s-technology:before {
-  content: "\EA42"; }
+  content: "\ea42";
+}
 
 .if4s-voucher:before {
-  content: "\EA43"; }
+  content: "\ea43";
+}
 
 .if4s-arrow-down-circle:before {
-  content: "\EA44"; }
+  content: "\ea44";
+}
 
 .if4s-arrow-up-circle:before {
-  content: "\EA45"; }
+  content: "\ea45";
+}
 
 .if4s-check-circle:before {
-  content: "\EA46"; }
+  content: "\ea46";
+}
 
 .if4s-office-worker:before {
-  content: "\EA47"; }
+  content: "\ea47";
+}
 
 .if4s-past:before {
-  content: "\EA48"; }
+  content: "\ea48";
+}
 
 .if4s-upcoming:before {
-  content: "\EA49"; }
+  content: "\ea49";
+}
 
 .if4s-warning-circle:before {
-  content: "\EA4A"; }
+  content: "\ea4a";
+}
+
+.if4s-teenagers:before {
+  content: "\ea50";
+}
\ No newline at end of file
diff --git a/css/iconfont4s.min.css b/css/iconfont4s.min.css
index c1fcbb5..dd3aedc 100644
--- a/css/iconfont4s.min.css
+++ b/css/iconfont4s.min.css
@@ -1 +1 @@
-@font-face{font-family:iconfont4s;src:url(../fonts/iconfont4s.eot);src:url(../fonts/iconfont4s.eot?#iefix) format("embedded-opentype"),url(../fonts/iconfont4s.woff) format("woff"),url(../fonts/iconfont4s.ttf) format("truetype"),url(../fonts/iconfont4s.svg#iconfont4s) format("svg");font-weight:400;font-style:normal}.if4s{font-family:iconfont4s!important;font-style:normal!important;font-weight:400!important;font-variant:normal!important;text-transform:none!important;speak:none;line-height:1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.if4s-bulb:before{content:"\EA01"}.if4s-arts:before{content:"\EA02"}.if4s-parent:before{content:"\EA03"}.if4s-school-generic:before{content:"\EA04"}.if4s-speaker:before{content:"\EA05"}.if4s-teacher:before{content:"\EA06"}.if4s-award:before{content:"\EA07"}.if4s-biology:before{content:"\EA08"}.if4s-business:before{content:"\EA09"}.if4s-chemistry:before{content:"\EA0A"}.if4s-citizenship:before{content:"\EA0B"}.if4s-computing:before{content:"\EA0C"}.if4s-design:before{content:"\EA0D"}.if4s-duedil:before{content:"\EA0E"}.if4s-economics:before{content:"\EA0F"}.if4s-edmodo:before{content:"\EA10"}.if4s-engineering:before{content:"\EA11"}.if4s-female:before{content:"\EA12"}.if4s-geography:before{content:"\EA13"}.if4s-govmt:before{content:"\EA14"}.if4s-grid:before{content:"\EA15"}.if4s-history:before{content:"\EA16"}.if4s-house:before{content:"\EA17"}.if4s-languages:before{content:"\EA18"}.if4s-law:before{content:"\EA19"}.if4s-list:before{content:"\EA1A"}.if4s-literature:before{content:"\EA1B"}.if4s-male:before{content:"\EA1C"}.if4s-marketing:before{content:"\EA1D"}.if4s-maths:before{content:"\EA1E"}.if4s-media:before{content:"\EA1F"}.if4s-medicine:before{content:"\EA20"}.if4s-music:before{content:"\EA21"}.if4s-network:before{content:"\EA22"}.if4s-paint:before{content:"\EA23"}.if4s-philosophy:before{content:"\EA24"}.if4s-physics:before{content:"\EA25"}.if4s-psychology:before{content:"\EA26"}.if4s-religion:before{content:"\EA27"}.if4s-science:before{content:"\EA28"}.if4s-sociology:before{content:"\EA29"}.if4s-step-1:before{content:"\EA2A"}.if4s-step-2:before{content:"\EA2B"}.if4s-step-3:before{content:"\EA2C"}.if4s-students:before{content:"\EA2D"}.if4s-tech:before{content:"\EA2E"}.if4s-checkflag:before{content:"\EA2F"}.if4s-politics:before{content:"\EA30"}.if4s-physed:before{content:"\EA31"}.if4s-role-model:before{content:"\EA32"}.if4s-careers-fair:before{content:"\EA33"}.if4s-lightbulb:before{content:"\EA34"}.if4s-school:before{content:"\EA35"}.if4s-my-wow:before{content:"\EA36"}.if4s-calendar:before{content:"\EA37"}.if4s-email:before{content:"\EA38"}.if4s-phone:before{content:"\EA39"}.if4s-alert:before{content:"\EA3A"}.if4s-arrow-up:before{content:"\EA3B"}.if4s-register:before{content:"\EA3C"}.if4s-signin:before{content:"\EA3D"}.if4s-certificate:before{content:"\EA3E"}.if4s-handshake:before{content:"\EA3F"}.if4s-art:before{content:"\EA40"}.if4s-designtech:before{content:"\EA41"}.if4s-technology:before{content:"\EA42"}.if4s-voucher:before{content:"\EA43"}.if4s-arrow-down-circle:before{content:"\EA44"}.if4s-arrow-up-circle:before{content:"\EA45"}.if4s-check-circle:before{content:"\EA46"}.if4s-office-worker:before{content:"\EA47"}.if4s-past:before{content:"\EA48"}.if4s-upcoming:before{content:"\EA49"}.if4s-warning-circle:before{content:"\EA4A"}
\ No newline at end of file
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diff --git a/examples/index.html b/examples/index.html
index dbc3127..0216b85 100644
--- a/examples/index.html
+++ b/examples/index.html
@@ -768,6 +768,16 @@ <h3>if4s-warning-circle</h3>
             </div>
           </li>
           
+          <li>
+            <h3>if4s-teenagers</h3>
+            <div>
+              <i class="if4s if4s-teenagers"></i>
+              <i class="if4s if4s-teenagers fa-2x"></i>
+              <i class="if4s if4s-teenagers fa-3x"></i>
+              <i class="if4s if4s-teenagers fa-4x"></i>
+            </div>
+          </li>
+          
         </ul>
       </div>
 
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index 61c0259..d75c587 100644
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diff --git a/fonts/iconfont4s.ttf b/fonts/iconfont4s.ttf
index 7abd69c..8bf04e2 100644
Binary files a/fonts/iconfont4s.ttf and b/fonts/iconfont4s.ttf differ
diff --git a/fonts/iconfont4s.woff b/fonts/iconfont4s.woff
index 9aa94d2..b29b3c2 100644
Binary files a/fonts/iconfont4s.woff and b/fonts/iconfont4s.woff differ
diff --git a/gulpfile.js b/gulpfile.js
index d858249..27b9a4c 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -4,7 +4,7 @@ var gulp = require('gulp'),
   iconfont = require('gulp-iconfont'),
   consolidate = require('gulp-consolidate'),
   cssnano = require('gulp-cssnano'),
-  sass = require('gulp-sass'),
+  sass = require('gulp-sass')(require('sass')),
   rename = require('gulp-rename'),
   watch = require('gulp-watch'),
   batch = require('gulp-batch'),
diff --git a/scss/iconfont4s.scss b/scss/iconfont4s.scss
index 9505b5c..ec80d10 100644
--- a/scss/iconfont4s.scss
+++ b/scss/iconfont4s.scss
@@ -246,3 +246,6 @@ $if4s-font-name: 'iconfont4s' !default;
 .if4s-warning-circle:before {
   content: "\EA4A";
 }
+.if4s-teenagers:before {
+  content: "\EA50";
+}