.day1box
{
    width: 700px;
}
.day2imagevietnam{
    width:500px;
    margin-left:70px;
    margin-top:-380px;
    
}
.day2vietnam{
    width:700px;
    height:350px;
}
.day2imagevitnam{
    margin-top:-380px;
    margin-left:710px;
}
.image2{
    width:500px;
    height:350px;
}
.image1{
    margin-left:50px;
}
.day2image{
       margin-left:820px;
    margin-top:-380px;
}
.day2imagevi{
    width:500px;
}
.day2vite{
     width:740px;
    height:350px;
    margin-left:110px;
}