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

app/assets/stylesheets/sections/profile.scss

 .profile_history {
   .event_feed {
-    min-height:20px;
+    min-height: 20px;
     .avatar {
-      width:20px;
+      width: 20px;
     }
   }
 }
 .profile_avatar_holder {
-  float:left;
-  width:60px;
-  height:60px;
-  margin-right:20px;
+  float: left;
+  width: 60px;
+  height: 60px;
+  margin-right: 20px;
   img {
-    width:60px;
-    height:60px;
+    width: 60px;
+    height: 60px;
     background:#fff;
     padding: 1px;
     border: 1px solid #ddd;

app/assets/stylesheets/sections/projects.scss

@@ -10,37 +10,37 @@
     .groups_box,
     .projects_box {
       h5 {
-        color:$style_color;
-        font-size:16px;
+        color: $style_color;
+        font-size: 16px;
         text-shadow: 0 1px 1px #fff;
         padding: 2px 10px;
-        line-height:32px;
-        font-size:14px;
+        line-height: 32px;
+        font-size: 14px;
       }
       ul {
         li {
-          padding:0;
+          padding: 0;
           a {
-            display:block;
+            display: block;
             .group_name {
-              font-size:14px;
-              line-height:18px;
+              font-size: 14px;
+              line-height: 18px;
             }
             .project_name {
               color:#4fa2bd;
-              font-size:14px;
-              line-height:18px;
+              font-size: 14px;
+              line-height: 18px;
             }
             .arrow {
-              float:right;
-              padding:10px;
-              margin:0;
+              float: right;
+              padding: 10px;
+              margin: 0;
             }
             .last_activity {
-              padding-top:5px;
-              display:block;
+              padding-top: 5px;
+              display: block;
               span, strong {
-                font-size:12px;
+                font-size: 12px;
                 color:#666;
               }
             }
@@ -58,21 +58,21 @@
   .project_name_holder {
     input,
     label {
-      font-size:16px;
-      line-height:20px;
-      padding:8px;
+      font-size: 16px;
+      line-height: 20px;
+      padding: 8px;
     }
     label {
       color:#888;
     }
     .btn {
       padding:6px 10px;
-      margin-left:10px;
-      margin-bottom:8px;
+      margin-left: 10px;
+      margin-bottom: 8px;
     }
   }
   .adv_settings {
-    h6 { margin-left:40px; }
+    h6 { margin-left: 40px; }
   }
 }
@@ -81,13 +81,13 @@
   @include bg-gray-gradient;
   padding: 4px 7px;
   border: 1px solid #CCC;
-  margin-bottom:20px;
+  margin-bottom: 20px;
 }
 .project_clone_holder {
   input[type="text"],
   .btn {
-    font-size:12px;
+    font-size: 12px;
     line-height: 18px;
     margin: 0;
     padding: 3px 10px;
@@ -102,8 +102,8 @@
 .save-project-loader {
   img {
-    margin-top:50px;
-    margin-bottom:50px;
+    margin-top: 50px;
+    margin-bottom: 50px;
   }
   h3 {
     @extend .page_title;

app/assets/stylesheets/sections/themes.scss

@@ -6,17 +6,17 @@
 }
 .themes_opts {
-  padding-left:20px;
+  padding-left: 20px;
   label {
-    width:175px;
-    margin-right:40px;
+    width: 175px;
+    margin-right: 40px;
     .prev {
       @extend .thumbnail;
-      height:30px;
-      width:175px;
-      margin-bottom:10px;
+      height: 30px;
+      width: 175px;
+      margin-bottom: 10px;
       &.classic {
         background: #31363e;
@@ -42,17 +42,17 @@
 }
 .code_highlight_opts {
-  padding-left:20px;
+  padding-left: 20px;
   label {
-    width:220px;
-    margin-right:40px;
+    width: 220px;
+    margin-right: 40px;
     .prev {
       @extend .thumbnail;
-      height:151px;
-      width:220px;
-      margin-bottom:10px;
+      height: 151px;
+      width: 220px;
+      margin-bottom: 10px;
     }
   }
 }

app/assets/stylesheets/sections/tree.scss

 .tree-holder {
   .tree-content-holder {
-    float:left;
-    width:100%;
+    float: left;
+    width: 100%;
   }
   .tree_progress {
-    display:none;
-    margin:20px;
+    display: none;
+    margin: 20px;
     &.loading {
-      display:block;
+      display: block;
     }
   }
@@ -21,17 +21,17 @@
           border-top:1px solid #ADF;
           border-bottom:1px solid #ADF;
         }
-        cursor:pointer;
+        cursor: pointer;
       }
     }
   }
   .tree-item {
     .tree-item-file-name {
-      vertical-align:middle;
+      vertical-align: middle;
       a {
         &:hover {
-          color:$blue_link;
+          color: $blue_link;
         }
       }
@@ -48,7 +48,7 @@
       padding: 2px 10px;
     }
     td {
-      line-height:20px;
+      line-height: 20px;
       background:#fafafa;
     }
   }

app/assets/stylesheets/themes/ui_basic.scss

@@ -11,7 +11,7 @@
   a {
     color: $link_color;
     &:hover {
-      text-decoration:none;
+      text-decoration: none;
       color: $blue_link;
     }
   }

app/assets/stylesheets/themes/ui_mars.scss

@@ -52,7 +52,7 @@
         }
       }
       .separator {
-        display:none;
+        display: none;
       }
     }