diff --git a/.browserslistrc b/.browserslistrc
index 98560ea..2000ee5 100644
--- a/.browserslistrc
+++ b/.browserslistrc
@@ -1,4 +1,4 @@
 > 0.25%
 not dead
-IE >= 10
+IE >= 11
 iOS >= 7
diff --git a/README.md b/README.md
index ef87a24..afdb958 100644
--- a/README.md
+++ b/README.md
@@ -18,10 +18,10 @@
 
 **Browser support:**
 
-+ **Desktop:** IE10+, Chrome, Firefox, Safari
++ **Desktop:** IE11+, Chrome, Firefox, Safari
 + **Mobile:** Android browser (on Android 4.4+), Safari (on iOS 7+), Google Chrome, Opera mini
 
-Other browsers (like Opera on Blink engine) are also supported, but not tested. Support for older versions of Internet Explorer (IE9 and below) ended.
+Other browsers (like Opera on Blink engine) are also supported, but not tested.
 
 ## Installation
 
diff --git a/static/css/style.css b/static/css/style.css
index 4e232cd..1a18906 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -71,15 +71,12 @@ body {
 
 .flex {
 	display: -webkit-flex;
-	display: -ms-flexbox;
 	display: flex;
 }
 
 .primary {
 	-webkit-flex: 1 0 65.83%;
-	-ms-flex: 1 0 65.83%;
 	flex: 1 0 65.83%;
-	-ms-flex-order: 1;
 	-webkit-order: 1;
 	order: 1;
 	min-width: 0;
@@ -87,9 +84,7 @@ body {
 
 .sidebar {
 	-webkit-flex: 1 0 31.66%;
-	-ms-flex: 1 0 31.66%;
 	flex: 1 0 31.66%;
-	-ms-flex-order: 2;
 	-webkit-order: 2;
 	order: 2;
 	min-width: 0;
@@ -98,7 +93,6 @@ body {
 
 .sidebar--left {
 	-webkit-order: 0;
-	-ms-flex-order: 0;
 	order: 0;
 	margin: 0 2.5% 0 0;
 }
@@ -537,10 +531,8 @@ button:not(:-moz-focusring):focus > .menu__btn-title {
 	.js .menu__list {
 		position: relative;
 		display: -webkit-flex;
-		display: -ms-flexbox;
 		display: flex;
 		-webkit-flex-wrap: wrap;
-		-ms-flex-wrap: wrap;
 		flex-wrap: wrap;
 		visibility: visible;
 		border: 0;
@@ -878,7 +870,6 @@ button:not(:-moz-focusring):focus > .menu__btn-title {
 
 /* Post Navigation */
 .post-nav {
-	-ms-flex-pack: justify;
 	-webkit-justify-content: space-between;
 	justify-content: space-between;
 	padding-top: 25px;
@@ -904,7 +895,6 @@ button:not(:-moz-focusring):focus > .menu__btn-title {
 
 .post-nav__item {
 	-webkit-flex: 1 1 50%;
-	-ms-flex: 1 1 50%;
 	flex: 1 1 50%;
 	max-width: 48%;
 }
@@ -1123,15 +1113,12 @@ textarea {
 
 .footer__container {
 	-webkit-flex-flow: row wrap;
-	-ms-flex-flow: row wrap;
 	flex-flow: row wrap;
-	-ms-flex-pack: justify;
 	-webkit-justify-content: space-between;
 	justify-content: space-between;
 }
 
 .footer__links {
-	-ms-flex-order: 1;
 	-webkit-order: 1;
 	order: 1;
 }