body {
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #eee;
}

.form-signin {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .form-signin-heading,
.form-signin  {
  margin-bottom: 10px;
  font-family:"微軟正黑體";
  font-size:22px;
}
.checkbox{
  margin-bottom: 10px;
  font-family:"微軟正黑體";
  font-size:16px;
	}
.form-signin .checkbox {
  font-weight: normal;
}
.form-signin .form-control {
  position: relative;
  height: auto;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="email"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.how{
	width:100%; 
	height:auto; 
	background: rgba(0,0,0,0.8); 
	padding:20px 40px; 
	margin:20px 0; 
	min-height:500px; 
	font-family:'微軟正黑體';}
.how img{
	width:100%;
	max-width:554px;}