bug #840 Minor CSS fixes for <select> elements (javiereguiluz)

This PR was merged into the master branch.

Discussion
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Minor CSS fixes for <select> elements

After merging #839, I found more CSS issues related to `<select>` elements.

Commits
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b376f81 Minor CSS fixes for <select> elements

Resources/views/css/easyadmin.css.twig

@@ -817,9 +817,6 @@ body.new .form-horizontal #form-actions-row {
 body.edit textarea {
     min-height: 250px;
 }
-body.edit .field-date select + select {
-    margin-top: .5em;
-}
 body.edit .field-collection-action {
     margin: -15px 0 10px;
 }
@@ -1013,7 +1010,6 @@ body.error .error-message {
     .field-time select + select,
     .field-datetime select + select {
         margin-left: 2px;
-        margin-top: 0;
     }
 
     body.error .error-description {