@media only screen and (max-width:1024px) {
    .container{width: 100%}
    #header{height: 60px}
    #tintuc{width: 100%;float: none;margin-bottom: 10px}
    #chinhsach{width: 100%;float: none;margin-bottom: 10px}
    #dvuhotro{width: 100%;float: none;margin-bottom: 10px}
    #yeuthich{width: 100%;float: none}
    #gioithieu{width: 100%;float: none;margin-bottom: 10px}
    #thacmac{width: 100%;float: none;margin-bottom: 10px}
    #thanhtoan{width: 100%;float: none;margin-bottom: 10px}
    #lket{width: 100%;float: none}
    #new1{float: none;width: 100%}
    #new2{float: none;width: 100%}
    #new3{float: none;width: 100%}
    #new4{float: none;width: 100%}
    #new5{float: none;width: 100%}
    #new6{float: none;width: 100%}
    #new7{float: none;width: 100%}
    #new8{float: none;width: 100%}
}
@media only screen and (min-width:768px) and (max-width:989px) {
    .container{width: 100%}
    #header{height: 60px}
    #tintuc{width: 100%;float: none;margin-bottom: 10px}
    #chinhsach{width: 100%;float: none;margin-bottom: 10px}
    #dvuhotro{width: 100%;float: none;margin-bottom: 10px}
    #yeuthich{width: 100%;float: none}
    #gioithieu{width: 100%;float: none;margin-bottom: 10px}
    #thacmac{width: 100%;float: none;margin-bottom: 10px}
    #thanhtoan{width: 100%;float: none;margin-bottom: 10px}
    #lket{width: 100%;float: none}
    #new1{float: none;width: 100%}
    #new2{float: none;width: 100%}
    #new3{float: none;width: 100%}
    #new4{float: none;width: 100%}
    #new5{float: none;width: 100%}
    #new6{float: none;width: 100%}
    #new7{float: none;width: 100%}
    #new8{float: none;width: 100%}
}
@media only screen and (min-width:480px) and (max-width:767px){
    .container{width: 100%}
    #header{height: 60px}
    #tintuc{width: 100%;float: none;margin-bottom: 10px}
    #chinhsach{width: 100%;float: none;margin-bottom: 10px}
    #dvuhotro{width: 100%;float: none;margin-bottom: 10px}
    #yeuthich{width: 100%;float: none}
    #gioithieu{width: 100%;float: none;margin-bottom: 10px}
    #thacmac{width: 100%;float: none;margin-bottom: 10px}
    #thanhtoan{width: 100%;float: none;margin-bottom: 10px}
    #lket{width: 100%;float: none}
    #new1{float: none;width: 100%}
    #new2{float: none;width: 100%}
    #new3{float: none;width: 100%}
    #new4{float: none;width: 100%}
    #new5{float: none;width: 100%}
    #new6{float: none;width: 100%}
    #new7{float: none;width: 100%}
    #new8{float: none;width: 100%}
}
@media only screen and (max-width:479px){
    .container{width: 100%}
    #header{height: 60px}
    #tintuc{width: 100%;float: none;margin-bottom: 10px}
    #chinhsach{width: 100%;float: none;margin-bottom: 10px}
    #dvuhotro{width: 100%;float: none;margin-bottom: 10px}
    #yeuthich{width: 100%;float: none}
    #gioithieu{width: 100%;float: none;margin-bottom: 10px}
    #thacmac{width: 100%;float: none;margin-bottom: 10px}
    #thanhtoan{width: 100%;float: none;margin-bottom: 10px}
    #lket{width: 100%;float: none}
    #new1{float: none;width: 100%}
    #new2{float: none;width: 100%}
    #new3{float: none;width: 100%}
    #new4{float: none;width: 100%}
    #new5{float: none;width: 100%}
    #new6{float: none;width: 100%}
    #new7{float: none;width: 100%}
    #new8{float: none;width: 100%}
}
.latestnews{display:block;overflow:hidden;margin:20px 0 0}
.latestnews li{float:left;width:24%;margin:0 1.11% 0 0;overflow:hidden;background:#fff;border:1px solid #f1f1f1;border-radius:4px;-webkit-border-radius:4px;-moz-border-radius:4px}
.latestnews li a{display:block;overflow:hidden;padding-bottom:5px}
.latestnews li h2{display:block;overflow:hidden;line-height:1.3em;font-size:14px;color:#333;padding:10px;font-weight:600}
.latestnews li:hover h2{color:#288ad6}
.latestnews a:visited h2{color:#9b9b9b}
.latestnews li img{display:block;width:100%;height:auto}
.latestnews li:last-child{float:right;margin-right:0}
.latestnews li{margin:0 1% 0 0}
.navbar-default{z-index: 5}
#header nav{background-color: #2ea98f;  }
#header nav a{color: black;  }
#header nav a:hover{color: black}
#header .dropdown-menu a{color: black;  }
ul .dropdown-menu{z-index: 3}
#header .dropdown-menu{background-color: lightgreen;margin: 5px}
#header .navbar-default .navbar-toggle .icon-bar{background-color: #ffffff}
.bot{
    padding-top: 15px;
    background-color: lightgrey;
    padding-bottom: 15px;
    margin-top: 5px;
}
#bot1{
    margin-left: 10px;
    padding-bottom: 25px;
}
#bot1 li a{
    color: black;
}
#gioithieu{
    margin-top: 35px;
}
#link a{
    margin-left: 10px;
}
#link a:hover{
    color: darkred;
}