lk | improves look of bike details fields

app/views/bikes/_fields.html.haml

@@ -1,16 +1,19 @@
 - disabled ||= false
-.row
 .form-horizontal
+  .row
     .col-sm-6
       .form-group
         = f.label "Log Number", class: "col-sm-4 control-label"
         .col-sm-6
+          - if @log_number
+            = f.text_field :log_number, class: "form-control", disabled: disabled, value: @log_number
+          - else
             = f.text_field :log_number, class: "form-control", disabled: disabled
 
       .form-group
         = f.label "Brand:", class: "col-sm-4 control-label"
         .col-sm-6
-          = f.text_field :brand, class: "form-control", disabled: disabled
+          = f.text_field :brand, class: "col-sm-6 form-control", disabled: disabled
 
       .form-group
         = f.label "Model:", class: "col-sm-4 control-label"
@@ -35,9 +38,9 @@
           = f.text_field :mechanic, class: "form-control", disabled: disabled
 
       .form-group
-        = f.label "Seat Tube Length:", class: "col-sm-4 control-label"
+        = f.label "Seat Tube Length (cm):", class: "col-sm-4 control-label"
         .col-sm-6
-          = f.text_field :seat_tube_size, class: "form-control", disabled: disabled
+          = f.text_field :seat_tube_size, class: "form-control seat-tube-cm", disabled: disabled
 
       .form-group
         = f.label "Top Tube Length:", class: "col-sm-4 control-label"
@@ -54,6 +57,7 @@
         .col-sm-6
           = f.text_field :entry_date, class: "form-control datepicker", disabled: disabled
 
+  .row
     .col-sm-6
       %br
       %br