* {
            box-sizing: border-box;
        }
        *:focus {
            outline: none;
        }
        body {
            font-family: Arial;
            background-color: #ccc;
            padding: 50px;
        }
        .login {
            margin: 20px auto;
            width: 400px;
        }
        .login-screen {
            background-color: #FFF;
            padding: 30px;
            border-radius: 5px
        }
        .app-title {
            text-align: center;
            color: #777;
        }
        .login-form {
            text-align: center;
        }
        .control-group {
            margin-bottom: 10px;
        }
        input {
            text-align: center;
            background-color: #ECF0F1;
            border: 1px solid transparent;
            border-radius: 3px;
            font-size: 16px;
            font-weight: 200;
            padding: 10px 0;
            width: 100%;
            transition: border .5s;
        }
        input:focus {
            border: 1px solid #f97951;
            box-shadow: none;
        }
        .btn {
            border: 2px solid transparent;
            background: #FF5722;
            color: #ffffff;
            font-size: 16px;
            line-height: 25px;
            padding: 10px 0;
            text-decoration: none;
            text-shadow: none;
            border-radius: 3px;
            box-shadow: none;
            transition: 0.25s;
            display: block;
            width: 100%;
            margin: 0 auto;
            font-size: 18px;
        }
        .btn:hover {
            background-color: #f97951;
        }
        .login-link {
            font-size: 12px;
            color: #444;
            display: block;
            margin-top: 12px;
        }