Added background color to notice and font.

Also improved the notice's buttons a little.

Source+Sans+Pro.css

@@ -0,0 +1,56 @@
+/* cyrillic-ext */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Source Sans Pro Regular'), local('SourceSansPro-Regular'), url(https://fonts.gstatic.com/s/sourcesanspro/v12/6xK3dSBYKcSV-LCoeQqfX1RYOo3qNa7lqDY.woff2) format('woff2');
+  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
+}
+/* cyrillic */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Source Sans Pro Regular'), local('SourceSansPro-Regular'), url(https://fonts.gstatic.com/s/sourcesanspro/v12/6xK3dSBYKcSV-LCoeQqfX1RYOo3qPK7lqDY.woff2) format('woff2');
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+/* greek-ext */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Source Sans Pro Regular'), local('SourceSansPro-Regular'), url(https://fonts.gstatic.com/s/sourcesanspro/v12/6xK3dSBYKcSV-LCoeQqfX1RYOo3qNK7lqDY.woff2) format('woff2');
+  unicode-range: U+1F00-1FFF;
+}
+/* greek */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Source Sans Pro Regular'), local('SourceSansPro-Regular'), url(https://fonts.gstatic.com/s/sourcesanspro/v12/6xK3dSBYKcSV-LCoeQqfX1RYOo3qO67lqDY.woff2) format('woff2');
+  unicode-range: U+0370-03FF;
+}
+/* vietnamese */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Source Sans Pro Regular'), local('SourceSansPro-Regular'), url(https://fonts.gstatic.com/s/sourcesanspro/v12/6xK3dSBYKcSV-LCoeQqfX1RYOo3qN67lqDY.woff2) format('woff2');
+  unicode-range: U+0102-0103, U+0110-0111, U+1EA0-1EF9, U+20AB;
+}
+/* latin-ext */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Source Sans Pro Regular'), local('SourceSansPro-Regular'), url(https://fonts.gstatic.com/s/sourcesanspro/v12/6xK3dSBYKcSV-LCoeQqfX1RYOo3qNq7lqDY.woff2) format('woff2');
+  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* latin */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Source Sans Pro Regular'), local('SourceSansPro-Regular'), url(https://fonts.gstatic.com/s/sourcesanspro/v12/6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7l.woff2) format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}

content.css

@@ -1,7 +1,11 @@
+.sponsorSkipObject {
+    font-family: 'Source Sans Pro', sans-serif;
+}
+
 #sponsorSkipNotice {
     min-height: 120px;
     min-width: 400px;
-    background-color: rgba(153, 153, 153, 0.8);
+    background-color: rgba(217, 255, 220, 0.8);
     position: absolute;
     z-index: 1;
 }
@@ -11,6 +15,7 @@
     color: #000000;
     text-align: center;
     margin-top: 10px;
+    font-weight: bold;
 }
 
 .sponsorSkipButton {
@@ -22,9 +27,8 @@
 	display:inline-block;
 	cursor:pointer;
 	color:#ffffff;
-	font-family:Arial;
+	font-size:14px;
-	font-size:16px;
+	padding:4px 15px;
-	padding:8px 15px;
 	text-decoration:none;
     text-shadow:0px 0px 0px #2f6627;
     
@@ -51,7 +55,6 @@
 	display:inline-block;
 	cursor:pointer;
 	color:#ffffff;
-	font-family:Arial;
 	font-size:13px;
 	padding:6px 24px;
 	text-decoration:none;

content.js

@@ -108,7 +108,7 @@ function sponsorCheck(sponsorTimes) { // Video skipping
           //send out the message saying that a sponsor message was skipped
           openSkipNotice();
 
-          setTimeout(closeSkipNotice, 2500);
+          // setTimeout(closeSkipNotice, 2500);
         }
 
         lastTime = v.currentTime;
@@ -133,9 +133,11 @@ function openSkipNotice(){
 
   var noticeElement = document.createElement("div");
   noticeElement.id = "sponsorSkipNotice";
+  noticeElement.className = "sponsorSkipObject";
 
   var noticeMessage = document.createElement("p");
   noticeMessage.id = "sponsorSkipMessage";
+  noticeMessage.className = "sponsorSkipObject";
 	noticeMessage.innerText = "Hey, you just skipped a sponsor!";
 
   var buttonContainer = document.createElement("div");
@@ -143,16 +145,19 @@ function openSkipNotice(){
 
   var goBackButton = document.createElement("button");
   goBackButton.innerText = "Go back";
+  goBackButton.className = "sponsorSkipObject";
   goBackButton.className = "sponsorSkipButton";
   goBackButton.addEventListener("click", goBackToPreviousTime);
 
   var hideButton = document.createElement("button");
-	hideButton.innerText = "Hide";
+  hideButton.innerText = "Hide";
+  hideButton.className = "sponsorSkipObject";
   hideButton.className = "sponsorSkipButton";
   hideButton.addEventListener("click", closeSkipNotice);
 
   var dontShowAgainButton = document.createElement("button");
-	dontShowAgainButton.innerText = "Don't Show This Again";
+  dontShowAgainButton.innerText = "Don't Show This Again";
+  dontShowAgainButton.className = "sponsorSkipObject";
   dontShowAgainButton.className = "sponsorSkipDontShowButton";
   dontShowAgainButton.addEventListener("click", dontShowNoticeAgain);
 

manifest.json

@@ -12,7 +12,8 @@
         "content.js"
       ],
       "css": [
-        "content.css"
+        "content.css",
+        "Source+Sans+Pro.css"
       ]
     }
   ],