header>a>img{
    width: 20%;
}
header {
    position: relative;
}

header>.logo {
    width: 13%;
}

header>.top-right {
    margin: 50px;
    position: absolute;
    background-color: white;
    text-decoration: none;
    left: 1000px;
    top: 0;
}

header>.top-right>a {
    color: black;
    margin: 20px;
    text-decoration: none;
}

header>h2 {
    text-align: center;
    font-size: small large;
}

header>h2>a {
    color: black;
    text-decoration: none;
    margin: 20px;
}

header>.sanpham {
    text-align: center;
}
nav{
    height: 500px;
}
.menu1{
    float: left;
    width: 20%;
    text-decoration: none;
    color: black;
}
.menu2{
    float: left;
    width: 20%;
    text-decoration: none;
    color: black;
}
.menu3{
    float: left;
    width: 20%;
    text-decoration: none;
    color: black;
}
.menu4{
    float: left;
    width: 20%;
    text-decoration: none;
    color: black;
}
.menu5{
    float: left;
    width: 20%;
    text-decoration: none;
    color: black;
}
.menu1>a{
    text-decoration: none;
    color: black;
}
.menu2>a{
    text-decoration: none;
    color: black;
}
.menu3>a{
    text-decoration: none;
    color: black;
}
.menu4>a{
    text-decoration: none;
    color: black;
}
.menu5>a{
    text-decoration: none;
    color: black;
}
.menu1>a>img{
    width: 300px;
    height: 270px;
}
.menu2>a>img{
    width: 300px;
    height: 270px;
}
.menu3>a>img{
    width: 300px;
    height: 270px;
}
.menu4>a>img{
    width: 300px;
    height: 270px;
}
.menu5>a>img{
    width: 300px;
    height: 270px;
}
.dong1{
    text-align: center;
}
article {
    text-align: center;
    
}
.space{
   margin-bottom: 400px;
}
.space2{
    margin-bottom: 800px;
}
footer {
    top: 2700px;
    left: 0;
    width: 100%;
    position: absolute;
    text-align: center;
    color: white;
    background-color: gray;
}
footer>img {
    width: 6%;
    height: 100px;
    right: 100px;
}
.hinh1{
    left: 0px;
}
.hinh2{
    float: top  ;
    right: 0px;
}
.menu6{
    float: left;
    width: 20%;
    text-decoration: none;
    color: black;
}
.menu7{
    float: left;
    width: 20%;
    text-decoration: none;
    color: black;
}
.menu8{
    float: left;
    width: 20%;
    text-decoration: none;
    color: black;
}
.menu6>a{
    text-decoration: none;
    color: black;
}
.menu7>a{
    text-decoration: none;
    color: black;
}
.menu8>a{
    text-decoration: none;
    color: black;
}
.menu6>a>img{
    width: 280px;
    height: 270px;
}
.menu7>a>img{
    width: 280px;
    height: 270px;
}
.menu8>a>img{
    width: 280px;
    height: 270px;
}
.menu9{
    float: right;
}
.menu9>a{
    text-decoration: none;
    color: black;
}