body {
  padding: 0;
  margin: 0 auto;
  font-family: Tahoma;
}
.container {
  max-width: 1200px;
  margin: auto;
}
header {
  background-color: #4e4e4e;
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  margin-left: 15px;
}
.box-header {
  display: flex;
  align-items: center;
  display: inline-block;
  line-height: 50px;
  text-align: center;
  margin-left: 100px;
  justify-content: space-between;
}
.box-header ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.box-header ul li {
  display: inline-block;
  text-align: center;
  line-height: 6px;
}
.box-header ul li a {
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  text-transform: uppercase;
  display: block;
  padding: 0 10px;
}
.box-header ul li a:hover {
  color: black;
  background-color: rgb(250, 250, 231);
  padding: 10px;
  border-radius: 5px;
}
.timkiem {
  margin-top: 0;
  margin-right: 15px;
}
.timkiem input {
  background: white;
  color: gray;
  height: 30px;
  outline: none;
  box-shadow: none;
  border: none;
  padding: 0 15px;
  border-radius: 5px;
}
.timkiem .nuttimkiem:hover {
  background-color: black;
  color: white;
}
.timkiem .nuttimkiem {
  height: 30px;
  border: none;
  outline: none;
  box-shadow: none;
  border-radius: 5px;
  padding: 0 5px;
}

.timkiem {
  margin-left: auto;
}

.quaylaitt {
  list-style: none;
  padding: 0;
  margin: 0;
  background-color: beige;
  height: 30px;
}
.quaylaitt > ul {
  margin: 0;
  list-style: none;
  text-decoration: none;
}
.quaylaitt > ul > li > a {
  line-height: 20px;
  color: black;
  display: block;
  padding: 0 0 3px;
  text-decoration: none;
  line-height: 30px;
}
.quaylaitt > ul > li > a:hover {
  text-decoration: underline;
  color: #4e4e4e;
}
.quaylaitt > p {
  background-color: beige;
  margin: 0;
  margin-left: 45px;
  padding-top: 6px;
  font-size: smaller;
  margin-bottom: 6px;
}
/* section */

.nutmua {
  width: 100px;
  margin-left: 60px;
  height: 50px;
  background: beige;
  border: none;
  border: 1px solid black;
}
.nutmua:hover {
  border: 1px dotted black;
  font-weight: bold;
}
.muadidungngai {
  border: 2px solid black;
  padding: 20px;
  width: 50%;
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}
.chonchuong {
  width: 130px;
  height: 49px;
}
/* ======= */
.odnhap {
  display: block;
}
.box-dangki {
  border: 1px solid black;
  text-align: center;
  width: 40%;
  margin-left: 30%;
  margin-top: 20px;
  background-color: beige;
  padding-bottom: 40px;
}
.thea {
  text-decoration: none;
  color: black;
}
.thea:hover {
  text-decoration: underline;
  font-weight: bold;
}
.nutdangnhap {
  background-color: gainsboro;
  font-weight: bold;
  margin: 0 20px;
  height: 30px;
}
.ocuoi {
  margin-top: 30px;
  margin-bottom: 30px;
}
.nutdangnhap:hover {
  font-weight: 100;
  height: 30px;
}

.quaylaitt {
  list-style: none;
  padding: 0;
  margin: 0;
  background-color: beige;
  height: 30px;
}
.quaylaitt > ul {
  margin: 0;
  list-style: none;
  text-decoration: none;
  display: flex;
  gap: 20px;
}
.quaylaitt > ul > li > a {
  line-height: 20px;
  color: black;
  display: block;
  padding: 0 0 3px;
  text-decoration: none;
  line-height: 30px;
}
.quaylaitt > ul > li > a:hover {
  text-decoration: underline;
  color: #4e4e4e;
}
.quaylaitt > p {
  background-color: beige;
  margin: 0;
  margin-left: 45px;
  padding-top: 6px;
  font-size: smaller;
  margin-bottom: 6px;
}
/* ====giohang== */
.box-giohang {
  border: 1px solid gainsboro;
}
.box-section {
  display: flex;
}

.thanhdieuhuong {
  list-style: none;
  padding: 0;
  margin: 5px;
  background-color: white;
  margin-right: 40px;
  box-shadow: 0 0 10px gray;
  padding: 8px 8px 8px 8px;
  display: inline-block;
  width: 300px;
}
.thanhdieuhuong > li {
  padding: 8px;
}
.thanhdieuhuong > li > a {
  line-height: 20px;
  text-decoration: none;
  color: black;
  display: block;
  border-bottom: 1px dotted gray;
  padding: 0 0 3px;
  padding: 10px;
}
.thanhdieuhuong > li > a:hover {
  background: beige;
  text-decoration: underline;
}
.thongbao {
  color: red;
  font-size: 10px;
}
.box_truyen {
  display: flex;
  gap: 20px;
}
.sanpham {
  border: 1px solid gainsboro;
  padding: 20px;
}
.sanpham > img {
  width: 235px;
}
.soluong {
  margin-left: 21px;
}
.mua {
  margin-left: 40%;
  background: beige;
}
h5 {
  margin: 0;
  font-size: 17px;
  text-align: center;
}
.giagoc {
  font-size: 15px;
  margin-left: 20%;
}
.gia {
  color: red;
}