CSS updates to tweak some alignment and padding:

Vertical center on “Check Again” button under “Updates”
	Vertical center on “Remove” button under “My Items”
	Extra left padding on “No Pending Updates Text” under “Updates”
	Horizontal padding on Spinner under “Updates”
	Issue with barber poll gradient offset
	Artwork vertical center under “My Items”

code/Managed Software Center/Managed Software Center/WebResources/base.css

@@ -894,7 +894,7 @@ div.msu-button button {
     -webkit-border-radius: 0;
     -webkit-font-smoothing: antialiased;
     padding: 0;
-    margin: 4px 0 0 0;
+    margin: 0 0 0 0;
     background: 0;
     border: 0;
     text-align: center;
@@ -941,6 +941,10 @@ div.msu-button.install-updates {
     float: right;
 }
 
+div.msu-button.install-updates.in-header {
+    margin-top: -2px;
+}
+
 div.msu-button-inner.install-updates {
     height: 23px;
     position: relative;
@@ -1087,7 +1091,7 @@ div.progress-spinner {
     float: left;
     position: relative;
     top: 6px;
-    left: -10px;
+    left: -14px;
 }
 
 p[data-text-truncate-lines] {

code/Managed Software Center/Managed Software Center/WebResources/updates.css

@@ -61,6 +61,11 @@ div.installations th {
     display: block;
     line-height: 32px
 }
+
+#update-count-string {
+    margin-left: -10px
+}
+
 div.installations th:first-child {
     -webkit-border-top-left-radius: 5px
 }
@@ -83,7 +88,7 @@ div.installations tbody tr:nth-of-type(even) {
 }
 .installation div.artwork {
     position: absolute;
-    margin-top: 2px
+    margin-top: 3px
 }
 .installation img.artwork {
     height: auto;
@@ -123,7 +128,8 @@ div.installations tbody tr:nth-of-type(even) {
 #other-updates #os-updates,#os-and-app-updates #os-updates,
 #os-and-app-updates #app-updates, div.subscribed-items {
     margin: 0;
-    -webkit-border-radius: 0;
+    -webkit-border-top-left-radius: 0px;
+    -webkit-border-top-right-radius: 0px;
     -webkit-box-shadow: none
 }
 #other-updates #os-updates,#os-and-app-updates #os-updates {
@@ -407,6 +413,7 @@ div.os-updates.expanded tbody tr.sosumi:before {
 body.scanning .non-scan-progress,body.page-not-ready .non-scan-progress,body:not(.scanning):not(.page-not-ready) .scan-progress {
     display: none
 }
+
 .activity-indicator {
     -webkit-animation-name: rotatingLoader;
     -webkit-animation-duration: .75s;
@@ -551,8 +558,7 @@ div.progress > span {
     height: 100%;
     padding: 0 2px;
     margin: 0 -2px;
-    -webkit-border-top-left-radius: 4px;
-    -webkit-border-bottom-left-radius: 4px;
+    -webkit-border-radius: 4px;
     -webkit-box-sizing: content-box;
     background: -webkit-gradient(linear,left top,left bottom,from( #4C95DF),to( #3B64C8));
     border-width: 0;
@@ -583,7 +589,7 @@ div.progress > span.indeterminate > span {
     color-stop(.25, transparent), color-stop(.5, transparent), 
     color-stop(.5, rgba(255, 255, 255, .9)), 
     color-stop(.75, rgba(255, 255, 255, .9)), 
-    color-stop(.75, transparent), to(transparent)
+    color-stop(.76, transparent), to(transparent)
     );
     z-index: 1;
     -webkit-background-size: 20px 20px;

code/Managed Software Center/Managed Software Center/templates/updates_template.html

@@ -32,7 +32,7 @@
                                                 ${warning_text}
                                             </span>
                                             <div class='progress-spinner ${hide_progress_spinner}' id="updates-progress-spinner"></div>
-                                            <div class="msu-button install-updates">
+                                            <div class="msu-button install-updates in-header">
                                                 <button class="button-area uppercase"
                                                     onClick="window.AppController.installButtonClicked();">
                                                     <div class="msu-button-inner install-updates ${install_all_button_classes}"