Update challenge-detail-software.css

Author: ajefts

src/css/challenge-detail-software.css

@@ -735,11 +735,6 @@ h1.center {
 
 .challenge-detail .unregister {
     background: #e66 !important;
-    display: inline-block;
-    padding-top: 5px;
-    width: 77%;
-    font-weight: normal;
-    color: #fff;
 }
 
 .challenge-detail .unregister:hover {
@@ -765,11 +760,6 @@ h1.center {
 
 .challenge-detail.develop .unregister {
     background: #e66 !important;
-    display: inline-block;
-    padding-top: 5px;
-    width: 77%;
-    font-weight: normal;
-    color: #fff;
 }
 
 .challenge-detail.develop .unregister:hover {