*{margin:0;padding:0;box-sizing:border-box}.app{display:flex;flex-direction:column;min-height:100vh;align-items:center;justify-content:center;background-color:#e4b093}.main{border:1px solid #000;padding:10px;border-radius:5px;width:60%;background-color:#fff}.title{text-align:center;padding:20px}form{display:flex;flex-direction:column;margin:0 auto;width:70%}label{display:block;width:60%;font-size:18px;margin-bottom:3px}.inp-error{display:flex;flex-direction:column;margin-bottom:20px}input{border:1px solid #000;border-radius:3px;padding:8px;outline:none;font-size:16px}input:focus{border-color:#00f}.btn{width:60%;border:none;background-color:#000;color:#fff;padding:10px;font-size:18px;border-radius:5px;cursor:pointer;display:block;margin:0 auto}.error{text-align:left;color:red;font-size:16px;margin:4px 0;padding:0 5px}