diff --git a/css/about.css b/css/about.css
index c972868..5c6c3fc 100644
--- a/css/about.css
+++ b/css/about.css
@@ -27,7 +27,7 @@
 #aboutPic {
     float: right;
     margin-top: 10%;
-    box-shadow: rgba(2, 12, 27, 0.7) 0px 10px 30px -15px;
+    box-shadow: rgba(2, 12, 27, 0.7) 0 10px 30px -15px;
     transition: box-shadow 500ms;
     height: 100%;
 }
@@ -62,7 +62,7 @@
 /* screen larger than 600px -- desktop */
 @media screen and (min-width: 1201px) {
     #aboutPic:hover {
-        box-shadow: rgba(2, 12, 27, 0.7) 0px 10px 30px 0px;
+        box-shadow: rgba(2, 12, 27, 0.7) 0 10px 30px 0;
         transition: all 500ms;
     }
 }
diff --git a/css/experience.css b/css/experience.css
index 74ab1a9..c63403a 100644
--- a/css/experience.css
+++ b/css/experience.css
@@ -26,12 +26,11 @@
     display: block;
     float: left;
     clear: left;
-    margin: 0px;
     width: 14%;
     left: 0;
     overflow: hidden;
 
-    margin-right: 6mm;
+    margin: 0 6mm 0 0;
 
     border: 6mm solid hsla(0, 100%, 50%, 0);
     padding-left: 2mm;
@@ -124,11 +123,10 @@
         display: inline;
         width: auto;
         /*float: left;*/
-        margin: 2px;
         border: 0.5mm solid hsla(0, 100%, 50%, 0);
         padding: 2px 2px 2px 0;
         clear: none;
-        margin-bottom: 20px;
+        margin: 2px 2px 20px;
     }
 
     #tab1 + .tab {
diff --git a/css/home.css b/css/home.css
index f0d65ea..0e7ae9c 100644
--- a/css/home.css
+++ b/css/home.css
@@ -66,7 +66,7 @@
 
 /* hover effects */
 #homepicture:hover {
-    box-shadow: rgba(2, 12, 27, 0.7) 0px 10px 30px 0px;
+    box-shadow: rgba(2, 12, 27, 0.7) 0 10px 30px 0;
     transition: all 500ms;
 }
 
diff --git a/rsc/check.svg b/rsc/check.svg
index edb2872..4764992 100644
--- a/rsc/check.svg
+++ b/rsc/check.svg
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Generator: Adobe Illustrator 16.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN">
 <svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 width="215.434px" height="215.434px" viewBox="0 0 215.434 215.434" enable-background="new 0 0 215.434 215.434"
 	 xml:space="preserve">