.input-prepend.input-append input {
  font-size: 24px;
  padding-top: 11px;
  padding-bottom: 11px;
  width: 100px;
  text-align: right;
}

.product-image img{
	width: 20%;
}

.product-order-exp{
	font-size: 16px;
	letter-spacing: .05rem;
	color: #333;
}
.product-order-exp h4{
	margin: 25px 0 20px;
	padding: 13px 28px 12px;
	font-size: 21px;
	font-weight: 700;
	background: #f3f3f3;
	border-radius: 10px;
}

#product .mar_t_50,
#product .mar_b_50{
	margin-top: 20px;
	margin-bottom: 20px;
}


@media (max-width: 768px) {
.product-image img{
	width: 50%;
}
.txt_28 {
    font-size: 18px;
}
.product-order-exp{
	font-size: 12px;
}
.product-order-exp h4{
	margin: 10px 0;
	padding: 12px;
	font-size: 16px;
}
}