new file mode 100644
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+.btn { box-shadow: inset 0 1px 0 rgba(255,255,255,0.2); }
+.btn-default { text-shadow: 0 1px 0 #fff; }
+.btn-primary, .btn-success, .btn-warning, .btn-danger, .btn-info { text-shadow: 0 1px 0 rgba(0,0,0,0.2); }
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