#wall{
height: 800px;
}

.wallpaper {
display: flex;
flex-wrap: wrap;
width: 880px;
margin: 0 auto;
}
.wallpaper_tt {
width: 900px;
height: 60px;
margin: 0 auto;
padding:50px 0 50px 0;
}
.wallpaper .kbox {
position: relative;
text-align: center;
width: 400px;
height: 420px;
margin-right: 20px;
margin-left: 20px;
margin-bottom: 120px;
}
.wallpaper .kbox .new {
width: 48px;
height: 48px;
position: absolute;
top: -10px;
left: 5px;
background: url(../img/download/new2.png);
z-index: 10;
}
.wallpaper .kbox .new2 {
width: 48px;
height: 48px;
position: absolute;
top: -10px;
left: 85px;
background: url(../img/download/new2.png);
z-index: 10;
}