*{box-sizing:border-box}
body{font-family:Arial,Helvetica,sans-serif;font-size:14px;line-height:1.4;padding:10px}
img{max-width:100%}

.container{max-width:960px;margin:0 auto}

.row{display:flex;flex-wrap:wrap}
.col-1{width:16.66%}.col-2{width:33.33%}.col-3{width:50%}.col-4{width:66.66%}.col-5{width:83.33%}.col-6{width:100%}
.gap{display:flex;flex-wrap:wrap}
.gap>[class^=col-]{padding:0 4px}

.text-center{text-align:center}

.card{background:#fafafa;border:1px solid #999;margin:0 4px 10px 4px}
.card-header{background:#f0f0f0;border-bottom:1px solid #999;padding:6px 10px}
.card-b{padding:8px 10px}

.w-100{display:block;width:100%}
.mx-auto{display:block;margin:0 auto}

.alert{border:1px solid;padding:8px 10px;margin:0 4px 10px 4px}
.alert-info{border-color:#88c;background:#eef}
.alert-warn{border-color:#cc0;background:#ffc}
.alert-err{border-color:#c88;background:#fee}

.navbar{border-bottom:1px solid #999}
.navbar a{text-decoration:none;padding:6px 12px;display:inline-block}
.navbar a+a{border-left:1px solid #ccc}

.table{width:100%;border-collapse:collapse;border:1px solid #999}
.table td,.table th{border:1px solid #999;padding:5px 8px}
.table th{text-align:center;font-weight:bold}
.col-shrink{width:1%;white-space:nowrap}

.pagination{display:flex;flex-wrap:wrap;gap:4px;justify-content:center}
.pagination a{display:inline-block;padding:3px 8px;border:1px solid #999;text-decoration:none;color:#222;font-size:12px}
.pagination .active{font-weight:bold}

@media(max-width:640px){
body{padding:6px}
.col-1,.col-2,.col-3,.col-4,.col-5,.col-6{width:100%}
.card,.alert{margin:0 0 8px 0}
.gap>[class^=col-]{padding:0}
.navbar a{display:block;padding:5px 10px;border-bottom:1px solid #ccc;text-align:center}
.navbar a+a{border-left:none}
.col-shrink{white-space:normal}
}