.center {
    text-align: center;
}

article {
    font-family: sans-serif, "方正小标宋简体";
}
h1, h2, p {
    margin: 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
}
.item {
    background-color: white;
    border-radius: 15px;
    margin: 10px;
    border: 2px solid #E8E8ED;
    color: black;
    text-decoration: none;
}

@font-face {
    font-family: "方正小标宋简体";
    src: url("fonts/方正小标宋简体.TTF") format("truetype");
}