body{margin:0;padding:10px}#app{font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;width:100%}#app,#nav a{color:#2c3e50}#nav a{font-weight:700}#nav h1 a{text-decoration:none;padding-top:6px}#main{margin-top:5px}button{padding:12px;border-radius:8px;width:200px;font-size:16px}input[type=password],input[type=text],select{padding:0;margin:12px;border-radius:8px;height:48px;width:200px;font-size:18px;text-align:center}div.main-option{border:2px solid #ddd;border-radius:10px;padding:24px;max-width:740px;margin:24px auto}.main-option h2{margin:0 0 12px 0}.main-option button{padding:12px;border-radius:8px;width:300px;font-size:16px}.main-option input[type=text]{padding:0;margin:12px;border-radius:8px;height:48px;width:300px;font-size:28px;text-align:center}.footer{margin-top:20px;position:relative;bottom:0;padding:10px}.footer img{width:20%}#nav{position:fixed;top:15px;width:100%;min-height:50px;z-index:1000;background-color:#fff}