Add start button to submission menu

public/content.css

@@ -249,11 +249,6 @@ div:hover > .sponsorBlockChapterBar {
 	border-collapse: unset;
 }
 
-.sponsorSkipNoticeParent {
-	min-width: 350px;
-	max-width: 50%;
-}
-
 .sponsorSkipNotice {
 	width: 100%;
 }
@@ -576,8 +571,8 @@ div:hover > .sponsorBlockChapterBar {
 .sponsorTimeEditButton {
 	text-decoration: underline;
 
-	margin-left: 20px;
-	margin-right: 20px;
+	margin-left: 13px;
+	margin-right: 13px;
 
 	font-size: 13px;
 

public/shared.css

@@ -14,7 +14,7 @@
 }
 
 .sponsorSkipNoticeParent {
-	min-width: 350px;
+	min-width: 375px;
 	max-width: 50%;
 }
 

src/components/SponsorTimeEditComponent.tsx

@@ -128,6 +128,12 @@ class SponsorTimeEditComponent extends React.Component<SponsorTimeEditProps, Spo
                     style={timeDisplayStyle}
                     className="sponsorTimeDisplay">
 
+                        <span id={"startButton" + this.idSuffix}
+                            className="sponsorNowButton"
+                            onClick={() => this.setTimeTo(0, 0)}>
+                                {chrome.i18n.getMessage("bracketStart")}
+                        </span>
+
                         <span id={"nowButton0" + this.idSuffix}
                             className="sponsorNowButton"
                             onClick={() => this.setTimeToNow(0)}>