.ma_im{
  background-color: #fff;
	padding: 1em;
}

table th{	text-align: center; 
	background-color: #222;
	border-top: 1px solid #fff;
}

.ma_bu{	padding-left: 1px;
	font-size:80%;
	text-align: center;width: 120px;
}

table tr:hover{
  background-color: #000000;

}

.manual img{
	box-shadow:rgba(0,0,0,0.5) 2px 2px 8px 0;}