View file admin/include/windows/windows.css

.window{
	background-color: #fff;
	border-radius: 3px;
	box-shadow: 0 0 30px rgba(0, 0, 0, 0.7);
}
.window .a{
	min-height: 40px;
	text-align: left;
	word-wrap: break-word;
	padding: 30px;
}
.window .b{
	background-color: #f1f1f1;
	border-top: 1px solid #e9e9e9;
	border-bottom-left-radius: 3px;
	border-bottom-right-radius: 3px;
	text-align: right;
	padding: 12px 30px 13px 30px;
}