body {
    background-color:#fff;
}

#maincontentbody {
    padding-top:10px;background-color:#fff;
}
#divcontentquen {
    max-width:800px;margin:auto;text-align:center; padding-top:50px; min-height:400px;
}
#txtEmailSend {
    width:400px; padding:10px; box-shadow:0 0 2px rgba(0, 0, 0, 0.26); border:none;
}
#btntieptheo {
    width:100px; text-align:center; margin:auto; border-radius:20px; padding:10px 12px; background-color:#0f81ad; color:#fff; cursor:pointer;
}
#divthongbao {
    max-width:800px; margin:auto; text-align:center; font-size:14px; padding:100px 0;
}
.main-contentbackground {
    display: block;
    box-shadow: 0 0 4px 0 rgba(0,0,0,.2);border-bottom: 1px solid #dfdfdf;
}
.rightcolinhomeadv {
    float:right;width:calc((100% - 1200px)/2);position:relative;
}
#inrightcolinhomeadv {
    float:right;position:absolute;padding-top:8px;
}
    #inrightcolinhomeadv img {
         max-height:100%; max-width:100%;
    }
.botrightcolhomeadv {
    float:right;width:calc((100% - 1200px)/2);position:relative;
}
#inrightcolinhomeadv1 {
    float:right;
}
#inrightcolinhomeadv1 img {
         max-height:100%; max-width:100%;
    }
.leftcolinhomeadv {
    float:left;width:calc((100% - 1200px)/2);position:absolute;
}
#inleftcolinhomeadv {
    float:right;position:relative;
}
    #inleftcolinhomeadv img {
         max-height:100%; max-width:100%;
    }
.botleftcolhomeadv {
float:left;width:calc((100% - 1200px)/2);position:absolute;
}
#inleftcolinhomeadv1 {
    float:right;
}
    #inleftcolinhomeadv1 img {
         max-height:100%; max-width:100%;
    }
.bottomcolinhomeadv {
    float:left;bottom:0px;margin:auto;position:relative;    
}
#inbottomcolinhomeadv {
    float:left;padding-bottom:0px;
}
    #inbottomcolinhomeadv img {
         max-height:100%; max-width:100%;display:block;background-repeat:repeat-x;
    }