Added some uniformity, all css properties and values are separated by a colon and a space :

app/assets/stylesheets/sections/events.scss

@@ -22,7 +22,7 @@
   &.left,
   &.joined {
     padding:0 2px;
-    float:none;
+    float: none;
   }
 }
 
@@ -31,7 +31,7 @@
  *
  */
 .event-item {
-  min-height:40px;
+  min-height: 40px;
   border-bottom:1px solid #eee;
   .event-title {
     color:#333;
@@ -50,7 +50,7 @@
     }
   }
   .avatar {
-    width:32px;
+    width: 32px;
   }
   .event_icon {
     float: right;
@@ -59,15 +59,15 @@
     @include border-radius(5px);
     background: #F9F9F9;
     img {
-      width:20px;
+      width: 20px;
     }
   }
   ul {
-    margin-left:50px;
-    margin-bottom:5px;
+    margin-left: 50px;
+    margin-bottom: 5px;
     .avatar {
-      width:18px;
-      margin-top:3px;
+      width: 18px;
+      margin-top: 3px;
     }
   }
 
@@ -81,9 +81,9 @@
     li {
       &.commit {
         background: transparent;
-        padding:3px;
-        border:none;
-        font-size:12px;
+        padding: 3px;
+        border: none;
+        font-size: 12px;
       }
       &.commits-stat {
         display: block;
@@ -99,14 +99,14 @@
  */
 .event_lp {
   color:#777;
-  padding:10px;
-  min-height:22px;
+  padding: 10px;
+  min-height: 22px;
   border-left: 5px solid #5AB9C3;
-  margin-bottom:20px;
+  margin-bottom: 20px;
   background:#f9f9f9;
 
   .avatar {
-    width:24px;
+    width: 24px;
   }
 
   .btn-new-mr {
@@ -133,7 +133,7 @@
     background: #f9f9f9;
     margin-bottom: 10px;
     img {
-      width:20px;
+      width: 20px;
     }
 
     &.inactive {