body {
    padding: 0px;
    margin: 0px;
    max-width: 1200px;
    margin: 0 auto;
    background-color: black;
    position: relative;
}
body>.lienhe{
    position: fixed;
    bottom: 30px;
    right: 30px;
}
body>.lienhe>a>img{
    filter: invert(100%);
    width: 50px;
}

header {
    width: 100%;
    height: 370px;
    position: relative;
    background-color: black;
    text-align: center;
}

.header1 {
    position: absolute;
    font-size: 20px;
    top: 20px;
}

.header1>div {
    margin: 10px 0 10px 3px;
    float: left;
}

.header1>div>a {
    text-decoration: none;
    color: white;
    padding: 20px;
    font-size: 20px;
    font-family: Arial, Helvetica, sans-serif;
}

.header1>div>.sanpham {
    border-bottom: 2px solid white;
    padding: 5px;
    margin: 15px;
}

header>img {
    position: absolute;
    height: 150px;
    left: 520px;
}

header>.header2 {
    position: absolute;
    top: 10px;
    right: 0;
    background-color: white;
    border-radius: 20px;
    width: 200px;
    height: 50px;
    border: 5px double black;
}

.header2>div>a>.img1 {
    width: 20%;
    padding-left: 10px;
    padding-top: 5px;
    float: left;
}
.header2>.timkiem>.khung{
    background-color: white;
    width: 150%;
    height: 45px;
    position: absolute;
    top: 52px;
    left: -60px;
    border-radius: 5px;
    border: 2px solid black;
    display: none;
}
.header2>.timkiem:hover>.khung{
    display: block;
}

.header2>a>.img2 {
    width: 20%;
    padding-top: 3px;
    padding-right: 7px;
    float: left;
}

.header2>a>.img1:hover {
    border: 3px solid black;
    padding: 3px;
    border-top-left-radius: 16px;
    border-bottom-left-radius: 16px;
}

.header2>a>.img2:hover {
    border: 3px solid black;
    padding: 2px;
    padding-bottom: 3px;

}

.header2>.login {
    padding-left: 5px;
    padding-top: 15px;
    padding-bottom: 14px;
    border-left: 3px solid black;
    float: left;
}

.header2>a {
    text-decoration: none;
    font-size: 18px;
    color: black;
    font-weight: bold;
    font-family: Arial, Helvetica, sans-serif;
}

header>.header1>div>a:hover {
    background-color: white;
    color: black;
    text-shadow: 0 0 10px white;
    border-radius: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
    box-shadow: 0 0 10px white;
}

header>.header2>a:hover {
    text-shadow: 0 0 10px black;
    background-color: black;
    color: white;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
    padding-right: 2.6px;
}

.chitietsanpham {
    color: white;
    font-family: Arial, Helvetica, sans-serif;
    position: absolute;
    width: 1200px;
    height: 300px;
    left: 0;
    display: none;
    margin-top: 12px;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    border-bottom: 2px solid white;
    border-left: 2px solid white;
    border-right: 2px solid white;
    background-color: black;
}

.chitietsanpham>.cot1 {
    width: 25%;
    float: left;
    text-align: left;
    margin: 0;
    padding: 0;
    margin-top: 150px;
    padding-left: 10px;

}

.chitietsanpham>.cot1>p {
    width: 300px;
    font-size: 15px;
    padding-right: 1500px;
}

.chitietsanpham>.cot1>p>a {
    text-decoration: none;
    color: white;
    line-height: 25px;
}

.chitietsanpham>.cot1>p>a:hover {
    text-decoration: underline;
}

.chitietsanpham>.cot2 {
    width: 25%;
    float: left;
    text-align: left;
    margin: 0;
    padding: 0;
    margin-top: 150px;

}

.chitietsanpham>.cot2>p {
    width: 300px;
    font-size: 15px;
    padding-right: 1500px;
}

.chitietsanpham>.cot2>p>a {
    text-decoration: none;
    color: white;
    line-height: 25px;
}

.chitietsanpham>.cot2>p>a:hover {
    text-decoration: underline;
}

.chitietsanpham>.cot3 {
    width: 25%;
    float: left;
    text-align: left;
    margin: 0;
    padding: 0;
    margin-top: 150px;

}

.chitietsanpham>.cot3>p {
    width: 300px;
    font-size: 15px;
    padding-right: 1500px;
}

.chitietsanpham>.cot3>p>a {
    text-decoration: none;
    color: white;
    line-height: 25px;
}

.chitietsanpham>.cot3>p>a:hover {
    text-decoration: underline;
}

.chitietsanpham>.cot4 {
    width: 24%;
    float: left;
    text-align: left;
    margin: 0;
    padding: 0;
    margin-top: 150px;

}

.chitietsanpham>.cot4>p {
    width: 300px;
    font-size: 15px;
    padding-right: 1500px;
}

.chitietsanpham>.cot4>p>a {
    text-decoration: none;
    color: white;
    line-height: 25px;
}

.chitietsanpham>.cot4>p>a:hover {
    text-decoration: underline;
}

.header1>.menu:hover>.chitietsanpham {
    display: block;
}

nav {
    width: 100%;
    height: 620px;
    position: relative;
    background-color: black;
}

nav>.tieude {
    float: left;
    position: absolute;
}

.tieude>h1 {
    float: left;
    margin: 10px;
    color: white;
}

.tieude>h1>a {
    text-decoration: none;
    color: white;
}

.tieude>h1>a:hover {
    text-decoration: underline;
}

nav>.sanpham1 {
    width: 50%;
    position: absolute;
    top: 100px;
    left: 40px;
}

.sanpham1>img {
    width: 500px;
}

.chitiet {
    position: relative;
    float: right;
    color: white;
    width: 40%;
    height: 500px;
    top: 100px;
    right: 100px;
}

.chitiet>h1 {
    font-size: 30px;
    margin-bottom: 10px;
}

.chitiet>h3 {
    font-size: 20px;
    margin-top: 0;
}

.chitiet>p {
    float: left;
    font-size: 20px;
}

.chitiet>.size {
    padding-right: 300px;
}

.chitiet>.do-size>a {
    float: left;
    text-decoration: none;
    color: white;
}

.chitiet>.do-size>a:hover {
    text-decoration: underline;
}

form {
    position: relative;
}

form>.size {
    position: absolute;
    top: 50px;
}

form>.size>.box {
    margin: 0 4px 0 4px;
    padding: 2px;
    float: left;
}

form>.size>.box:hover {
    border: 2px solid white;
    box-shadow: 0 0 5px white;
}

form>.soluong {
    position: absolute;
    top: 80px;
}

form>.soluong>.number {
    text-align: center;
    margin: 10px 10px 10px 0;
    height: 40px;
    color: white;
    background-color: black;
    border: 2px solid white;
    width: 150px;
    font-weight: bold;
    font-size: 15px;
}

form>.soluong>.number:hover {
    background-color: white;
    border: 2px double black;
    box-shadow: 0 0 5px white;
    color: black;
}

form>.add {
    position: absolute;
    top: 80px;
    right: 0;
}

.add>button {
    width: 300px;
    height: 45px;
    margin: 10px 0 10px 10px;
    background-color: white;
    font-weight: bold;
}

.add>button:hover {
    background-color: black;
    color: white;
    border: 2px solid white;
}

form>.buy {
    position: absolute;
    top: 150px;
    width: 100%;
}

.buy>button {
    width: 100%;
    height: 50px;
    font-weight: bold;
    font-size: 17px;
}

.buy>button:hover {
    background-color: black;
    color: white;
    border: 2px solid white;
}

.out {
    width: 100%;
    position: absolute;
    top: 220px;
}

article {
    width: 100%;
    height: 400px;
    position: relative;
    background-color: black;
    color: white;
}

article>.tieude {
    position: absolute;
    left: 40px;
}

.tieude>h2 {
    float: left;
    margin-right: 50px;
}

.tieude>h2>a {
    text-decoration: none;
    color: white;
    padding: 10px;
}

.tieude>.mota {
    border-bottom: 2px solid white;
}

.tieude>h2>a:hover {
    background-color: white;
    color: black;
    border-radius: 10px;
}

.tieude>.mota {
    border-bottom: 2px solid white;
}

article>.noidung {
    position: absolute;
    top: 50px;
    left: 40px;
}

.tieude>h2>a {
    text-decoration: none;
    color: white;
}

.tieude>h2>a:hover {
    background-color: white;
    color: black;
}

aside {
    width: 100%;
    height: 700px;
    position: relative;
    background-color: black;
    color: white;
    text-align: center;
}

aside>div>h1 {
    position: absolute;
    font-size: 30px;
}

aside>div>.row1 {
    position: absolute;
    text-align: center;
    width: 100%;
    left: 6px;
    top: 70px;
}

.row1>div>a {
    color: white;
    text-decoration: none;
    text-align: center;
    width: 100px;
}

.row1>.column1 {
    float: left;
    width: 33%;
}

.row1>.column2 {
    float: left;
    width: 33%;
}

.row1>.column3 {
    float: left;
    width: 33%;
}

.row1>div>a>img {
    width: 360px;
    margin: 2px;
}

.row1>div>a>h3 {
    width: 300px;
    padding: 2px 20px 2px 20px;
    margin: 2px 30px 2px 30px;
    margin-bottom: 0;
}

.row1>div>p {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    margin-top: 10px;
}

.row1>div>form>button {
    width: 360px;
    height: 40px;
    background-color: black;
    color: white;
    border: 2px solid white;
    font-weight: bold;
    font-size: 15px;
}

.row1>div>a>img:hover {
    border: 2px solid white;
}

.row1>div>a>h3:hover {
    border: 1px solid white;
    box-shadow: 0 0 5px white;
}

.row1>div>form>button:hover {
    background-color: white;
    color: black;
    border: 2px solid black;
    box-shadow: 0 0 5px white;
}

footer {
    width: 100%;
    height: 1050px;
    position: relative;
    background-color: black;
    text-align: center;
}

.footer1 {
    position: absolute;
    color: white;
    width: 100%;
    top: 50px;
    padding-bottom: 100px;
    border-bottom: 3px solid white;
}

.footer1>h1 {
    font-family: 'Courier New', Courier, monospace;
    font-size: 50px;
    margin: 0;
    margin-bottom: 0;
}

.footer1>h3 {
    font-family: 'Courier New', Courier, monospace;
    font-size: 20px;
    margin-top: 0;
}

.form-control {
    width: 20%;
    height: 30px;
    font-weight: bold;
    color: black;
}

.chinhsach {
    color: white;
    top: 310px;
    position: absolute;
    width: 100%;
}

.giaohang {
    width: 25%;
    float: left;
}

.giaohang>img {
    width: 100px;
    height: 100px;
    float: left;
}

.giaohang2 {
    float: left;
    height: 100px;
    width: 100px;
    font-size: 20px;
    padding-top: 20px;
    font-family: Arial, Helvetica, sans-serif;
}

.doitra {
    width: 25%;
    float: left;
}

.doitra>img {
    width: 100px;
    height: 100px;
    float: left;
}

.doitra2 {
    float: left;
    height: 100px;
    width: 130px;
    font-size: 20px;
    padding-top: 20px;
    font-family: Arial, Helvetica, sans-serif;
    text-align: left;
}

.camket {
    width: 25%;
    float: left;
}

.camket>img {
    width: 100px;
    height: 100px;
    float: left;
}

.camket2 {
    float: left;
    height: 100px;
    width: 150px;
    font-size: 20px;
    padding-top: 20px;
    font-family: Arial, Helvetica, sans-serif;
    text-align: left;
}

.baove {
    width: 25%;
    float: left;
}

.baove>img {
    width: 100px;
    height: 100px;
    float: left;
}

.baove2 {
    float: left;
    height: 100px;
    width: 140px;
    font-size: 20px;
    padding-top: 20px;
    font-family: Arial, Helvetica, sans-serif;
    text-align: left;
}

.footer {
    color: white;
    top: 550px;
    position: absolute;
    width: 100%;
}

.ketnoi {
    width: 25%;
    float: left;
    text-align: left;
}

.ketnoi>p {
    width: 280px;
    font-family: Arial, Helvetica, sans-serif;
}

.ketnoi>img {
    padding-top: 40px;
}

.chamsoc {
    width: 25%;
    float: left;
    text-align: left;
}

.chamsoc>p {
    width: 280px;
    font-family: Arial, Helvetica, sans-serif;
}

.about {
    width: 25%;
    float: left;
    text-align: left;
}

.about>p {
    width: 280px;
    font-family: Arial, Helvetica, sans-serif;
}

.khachhang {
    width: 25%;
    float: left;
    text-align: left;
}

.khachhang>p {
    width: 280px;
    font-family: Arial, Helvetica, sans-serif;
}


.album{
    
    width: 100%;
}

.album>img{
    width: 200px;
    margin: 10px;
}

.album>img:hover{
    border: 2px solid white;
    box-shadow: 0 0 5px white;
}