/* BASIC css start */
.spring_board { width:1000px; margin:0 auto; overflow:hidden; }
.spring_board img { width:100%; }

.spring_gird { width:1000px; margin:0 auto; display:grid; grid-template-columns: repeat(4, minmax(100px, auto)); }
.spring_gird div:nth-child(1) { grid-column:1; }
.spring_gird div:nth-child(2) { grid-column:2; }
.spring_gird div:nth-child(3) { grid-column:3; }
.spring_gird div:nth-child(4) { grid-column:4; }
/* BASIC css end */