Fix css bugs (opacity=) and changes in sign_in page

app/assets/fonts/widget.css

@@ -1,79 +0,0 @@
-.widget-size-300 {
-	width:298px;
-}
-.widget-box {
-	background-color: #FFF;
-	overflow: hidden;
-	min-width: 300px;
-	border: 1px solid #DDD;
-	border-radius: 5px;
-	-moz-border-radius: 5px;
-	-webkit-border-radius: 5px;
-	margin: 0 0 5px 5px;
-	position:relative;
-}
-.widget-box .widget-title {
-	background: #999;
-	color: #FFF;
-	padding-left: 5px;
-	border-radius: 5px 5px 0 0;
-	-moz-border-radius: 5px 5px 0 0;
-	-webkit-border-radius: 5px 5px 0 0;
-}
-.widget-box .widget-content {
-	padding: 10px;
-}
-.widget-box .form-horizontal .control-group > label {
-  width: 50px;
-}
-.widget-box .form-horizontal .controls {
-  margin-left: 60px;
-}
-.widget-action {
-	position:absolute;
-	right:1px;
-	top:6px;
-}
-.action {
-	float: left;
-	display:inline-block;
-	margin-right: 5px;
-	opacity: 0.8;
-	filter: alpha(opacity=80);
-}
-.action:hover {
-	opacity: 1;
-	filter: alpha(opacity=100);
-	cursor: pointer;
-}
-.select-role {
-	display:none;
-	padding: 10px 0 0;
-}
-.file-upload {
-	position:relative;
-}
-.file-upload .file-name {
-	display: inline-block;
-	margin: 0 0 5px 5px;
-	white-space: nowrap;
-	width: 140px;
-}
-.file-upload .upload {
-	margin:0;
-	padding:0;
-	position:absolute;
-	top:0;
-	left:0;
-	opacity:.0;
-	filter: alpha(opacity=100);
-}
-.file-upload .upload:focus {
-	position:absolute;
-}
-.upload-picture {
-	margin-right: 5px;
-}
-#widget-link table {
-	margin-bottom:0
-}