- CSS : 회원가입(signup.html) /* 회원가입 */ .sign { width: 300px; margin: 50px auto 100px; padding: 30px 40px 50px; border-radius: 30px; background-color: rgb(167, 193, 204); } .sign h1 {text-align: center;} .sign h3 {color: darkslateblue; margin: 10px auto;} .sign .name, .sign .id, .sign .pw {width: 272px; margin: 0 auto 10px; padding: 12px;} .sign .box {width: 300px; margin: 20px auto; padding: 9px;}..