.top_page_list {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(300px,1fr));
}

.top_page_item {
    align-items: center;
    background-color: #eee;
    border-radius: 3px;
    display: flex;
    font-size: 1em;
    justify-content: center;
    line-height: 1.5em;
    margin: 5px;
    min-height: 4em;
    padding: 10px;
    text-align: center;
}
.top_page_item:hover {
	background-color: #f1f1f1;
}