.nav{
    width: 100%;
    height: 70px;
    border-style: groove;
    padding-left: 100px;
    padding-right: 100px;
}
.navv{
    display: flex;
}
.nav_head{
    padding: 10px;
}
.cointainer{
    margin-left: 100px;
    margin-top: 50px;
    margin-bottom: 50px;
    margin-right: 50px;
}
.cointainer1{
    margin-left: 100px;
    margin-top: 50px;
    margin-right: 100px;
}
.space{
    margin-bottom: 30px;
}
.box{
    margin-top: 30px;
}
.nes-progress{
    height: 25px;
}
footer{
    margin-top: 70px;
    margin-bottom: 10px;
   text-align: center;
   color: #ccc;
   font-size: 12px;
}