body {
fontfamily: Arial, sansserif;
backgroundcolor: f4f4f4;
padding: 20px;
}
h1 {
color: 333;
textalign: center;
}
.wallpaperlist {
display: grid;
gridtemplatecolumns: repeat(autofill, minmax(300px, 1fr));
gridgap: 20px;
margintop: 20px;
}
.wallpaperitem img {
width: 100%;
height: auto;
borderradius: 5px;
boxshadow: 0 0 10px rgba(0, 0, 0, 0.1);
}