body{
    margin :0;
    padding: 0;
    box-sizing: border-box;

}
.derey{
    margin: -18;
    padding: 20px 0;
    margin-left: 50px;
    max-width: 90px;
    max-height: 90px;
}
.tieude{
    text-align: center;
    padding: 14px;
    margin-top: -40px;
    
    
}
.tieude>a{
    padding: 25px;
    text-decoration: none;
    color: black;
}
.tieude>a:hover{
    color: green;
}
.benphai{
    float: right;
    margin-top: -35px;
    
}
.o-timkiem{
    width: 213px;
    padding: auto;
    border: 3px solid green;
    border-radius: 10px;
    
}
.timkiem{
    border: 3px solid green;
    padding: auto;
    margin-left: -3px;
    border-radius: 10px;
}
ul.products{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    list-style: none;
}
ul.products li{
    flex-basis: 25%;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing:border-box ;
    margin-bottom: 30px;
}
ul.products li img{
    max-width: 100%;
    height: 300px;
    width: 350px;

}
ul.products li .product-top{
    position: relative ;
    overflow: hidden;
}
ul.products li .product-top .product-thumb{
    display: block;
}
ul.products li .product-top .product-thumb img{
    display: block;
}
ul.products li .product-top a.buy{
    text-transform: uppercase;
    text-decoration: none;
    text-align:center ;
    display: block;
    background-color: #446084;
    color: #fff;
    padding: 10px 0px;
    position: absolute;
    width: 100%;
    bottom: -39px;
    transition: 0.25s ease-in-out;

}
ul.products li:hover a.buy{
    bottom: 0px ;
}
ul.products li .product-info{
    padding: 20px 0px;
}

ul.products li .product-info a{
    display: block;
    text-decoration: none;

}
ul.products li .product-info a.product-cat{
    font-size: 11px;
    text-transform: uppercase;
    color: #9e9e9e;
    padding: 3px 0px;
}
ul.products li .product-info a.product-name{
    color: #334862;
    padding: 3px 0px;

}
ul.products li .product-info .product-price{
    color: #111;
    padding: 3px 0px;
    font-weight: 600;
}
footer{
    position: relative;
     width: 100%;
     height: auto;
     padding: 50px 100px;
     background: #111;
     display: flex;
     justify-content: space-between;
     flex-wrap: wrap;
}
footer .container{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    flex-direction: row;
}
footer .container .noi-dung{
    margin-right: 30px;
}
footer  .container .noi-dung.about{
    width:40%;
}
footer .container .noi-dung.about h2{
    position: relative;
    color: #fff;
    font-weight: 500;
    margin-bottom: 15px;
}
footer .container .noi-dung.about h2:before{
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background: #f00;
}
footer .container .noi-dung.about p{
    color: #999;
}
.social-icon{
    margin-top: 20px;
    display: flex;
}
.social-icon li {
    list-style: none;
}
.social-icon li a{
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 10px;
    text-decoration: none;
    border-radius: 4px;
}
.social-icon li a:hover{
    background: #f00;
}
.social-icon li a .fa{
    color: #fff;
    font-size: 20px;
}
.social-icon{
    margin-top: 20px;
    display: flex;
}
.social-icon li {
    list-style: none;
}
.social-icon li a{
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 10px;
    text-decoration: none;
    border-radius: 4px;
}
.social-icon li a:hover{
    background: #f00;
}
.social-icon li a .fa{
    color: #fff;
    font-size: 20px;
}
.links h2{
    position: relative;
    color: #fff;
    font-weight: 500;
    margin-bottom: 15px;
}
.links h2::before{
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background: #f00;
}
.links{
   position: relative;
   width: 25%;
}
.links ul li{
    list-style: none;
}
.links ul li a{
    color: #999;
    text-decoration: none;
    margin-bottom: 10px;
    display: inline-block;
}
.links ul li a:hover{
    color: #fff;
}
.contact h2{
    position: relative;
    color: #fff;
    font-weight: 500;
    margin-bottom: 15px;
}
.contact h2::before{
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background: #f00;
}
.contact{
    width: calc(35% - 60px);
    margin-right: 0 !important;
}
.contact .info{
    position: relative;
}
.contact .info li{
    display: flex;
    margin-bottom: 16px;
}
.contact .info li span:nth-child(1) {
    color: #fff;
    font-size: 20px;
    margin-right: 10px;
}
.contact .info li span{
    color: #999;
}
.contact .info li a{
    color: #999;
    text-decoration: none;
}
.btn {
    display: inline-block;
    background: transparent;
    color: inherit;
    font: inherit;
    border: 0;
    outline: 0;
    padding: 0;
    margin-top:16px;
    transition: all 200ms ease-in;
    cursor: pointer;
}
.btn--primary {
    background: #222;
    color: #fff;
    box-shadow: 0 0 10px 2px rgba(0, 0, 0, .1);
    border-radius: 2px;
    padding: 8px 24px;
}
.btn--primary:hover {
    background: #f00;
}
.btn--primary:active {
    background: #f00;
    box-shadow: inset 0 0 10px 2px rgba(0, 0, 0, .2);
}
.form__field {
    width: 90%;
    background: #fff;
    color: #a3a3a3;
    font: inherit;
    box-shadow: 0 6px 10px 0 rgba(0, 0, 0, .1);
    border: 0;
    outline: 0;
    padding: 8px 4px;
}
.title-sanpham{
    margin-left: 140px;
    margin-top: 10px;
    margin-bottom: 0px;
}
.title-sanpham a{
 text-decoration: none;
 text-transform: initial;
 color: #777777;
 box-sizing: border-box;
 font-size: 13px;
 margin-left: 10px;
}
.title-tatcasanpham a{
    text-decoration: none;
    text-transform: initial;
    color: #777777;
    font-size: 20px;
}
.title a{
    text-decoration: none;
    text-transform: initial;
    color: #777777;
    font-size: 20px;
}
.sapxep{
    margin-left: 1050px;
    color: red;
    border-radius: 4px;
    border: 2px solid #222;
}
.chon{
   margin-left: 380px ;
   color: red;
   border-radius: 4px;
   

}
.a{
    padding: 4px 6px;
    margin-right: 10px;
    color: red;
    border-radius: 4px;
    border: 2px solid #222;

   }
.b{
 padding: 4px 6px;
 margin-right: 90px;
 color: red;
 border-radius: 4px;
 border: 2px solid #222;

}
.c{
    padding: 4px 6px;
    margin-right: 90px;
    color: red;
    border-radius: 4px;
    border: 2px solid #222;

   }
.d{
    padding: 4px 6px;
    margin-right: 90px;
    color: red;
    border-radius: 4px;
    border: 2px solid #222;

   }
.tieudegioithieu a{
    text-decoration: none;
    text-transform: initial;
    color: #777777;
    text-align: center ;
   }
.GT{
    text-align: center;
}
.lienhe{
    text-align: center;
    display: block;
    margin-left: -40px;
    background-color: #446084;

}
.user{
    padding: 15px;
}
.pass{
    padding: 15px;
}
.email{
    padding: 15px;
}
.tel{
    padding: 15px;
}
.diachi{
    padding: 15px;
}
.user2{
    margin-right: 50px;
    color: red;
}
.pass2{
    margin-right: 50px;
    color: red;
}
.email2{
    margin-right: 50px;
    color: red;
}
.tel2{
    margin-right: 50px;
    color: red;
}
.diachi2{
    margin-right: 50px;
    color: red;
}
.user3{
    margin-right: -40px;
}
.pass3{
    margin-right: -15px;
}
.email3{
    margin-right: -30px;
}
.tel3{
    margin-right: -35px;
}
.diachi3{
    margin-right: -15px;
}
.hethong{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.hethong img{
    width: 800px ;
    height: 700px ;
    margin-left: 80px;
}
.hethong p{
    float: right;
    margin-top: -50px;
    padding: 50px;
    font-size: 21px;

}