:lipstick: Style checkbox label in sign in form

public/ng/less/gogs/sign.less

@@ -25,6 +25,11 @@ The register and sign-in page style
   .form-label {
     width: 160px;
   }
+  .chk-label {
+    width: auto;
+    text-align: left;
+    margin-left: 176px;
+  }
   .alert{
     margin:0 30px 24px 30px;
   }
@@ -60,4 +65,4 @@ The register and sign-in page style
     background-color: #FFF;
     margin-left: -15px;
   }
-}
+}