.r10 { -webkit-border-radius: 10px; -moz-border-radius: 10px; border-radius: 10px; }
.r20 { -webkit-border-radius: 20px; -moz-border-radius: 20px; border-radius: 20px; }
.r30 { -webkit-border-radius: 30px; -moz-border-radius: 30px; border-radius: 30px; }

/* RESET */
/* PREFERENCES */
/* REBUILD */
/* CLASSES */

.replace { display: block; width: YOUR-IMAGE-WIDTHpx; height: YOUR-IMAGE-HEIGHTpx; overflow: hidden; position: relative; z-index: 1; }
.replace span.image { display: block; width: 100%; height: 100%; background: url(YOUR-IMAGE) no-repeat; position: absolute; left: 0; top: 0; z-index: 2; }

body, textarea { font-family: "メイリオ", "ＭＳ Ｐゴシック", sans-serif; }
input, select { font-family: Arial, "ＭＳ Ｐゴシック", sans-serif; }