* {
    font-family:Arial, Helvetica, sans-serif;
    margin: 0;
    box-sizing: border-box;
 }

 body {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 100vh;
    justify-content: center;
    background-color: #fc0;
 }

.container {
    width: 90%;
    max-width: 500px;
    padding: 20px;
}

.form {
    width: 100%;
    background:rgba(0, 0, 0, .15);
    padding: 20px;
    border-radius: 8px;

}

.form h1 {
    margin-bottom: 15px;
    text-align: center;
    font-size: 28px;
}

.form .form-field {
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: start;
    width: 100%;
}

.form .form-field label {
    font-size: 12px;
    font-weight: 300;
    margin-bottom: 10px;
}

.form .form-field input {
    font-size: 12px;
    font-weight: 300;
    width: 100%;
    outline: none;
    border: 2px solid rgba(0, 0, 0, .5);
    padding: 8px 12px;
    border-radius: 8px;
}

.form .form-field.error input {
    border: 2px solid red;
    color: red;
}

.form .form-field.success input {
    border: 2px solid green;
    color: green;
}

small {
    color: red;
    margin-top: 10px;
    font-size: 8px;
}

.form .form-field #submit {
    background: blue;
    color: #fff;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    border: none;
    padding: 12px 15px;
    border-radius: 0;
    cursor: pointer;
    border-radius: 2px;
    transform: letter-spacing 2s ease;
}

.form .form-field #submit:hover {
    letter-spacing: 4px;
    transform: scale(1.02);

}