html {
    height: 100%;
}

body {
    background-color: #f6f6f3;
    height: 100%;
    margin: 0;
}

.container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.example-4 {
    width: 100%;
    max-width: 500px;
    font-family: "Trebuchet MS", sans-serif;
    padding: 20px;
    box-sizing: border-box;
    border-radius: 8px;
}

.example-4 * {
    font-family: "Trebuchet MS", sans-serif;
}

.example-4 fieldset {
    border: none;
    padding: 0;
}

.example-4 .fields {
    display: flex;
}

.example-4 .fields > * {
    flex: 1 auto;
}

.example-4 .fields span {
    width: 10px;
    display: block;
    max-width: 10px;
}

.example-4 .fields + .fields {
    margin-top: 20px;
}

.example-4 .field {
    color: rgba(255, 255, 255, 0.6);
}

.example-4 label {
    display: block;
    font-size: 12px;
    line-height: 12px;
    margin-bottom: 0;
    min-width: 60px;
    color: #000000;
}

.example-4 input,
.example-4 button {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    outline: none;
    border-style: none;
}

.example-4 input {
    background: transparent;
    border: none;
    font-size: 16px;
    margin: 0;
    outline: 0;
    padding: 10px 0 5px;
    width: 100%;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    border-bottom: 1px solid #000000;
}

.example-4 input:focus {
    background: none;
    color: #000000;
}

.example-4 input:-webkit-autofill {
    -webkit-text-fill-color: #000000;
    transition: background-color 100000000s;
    -webkit-animation: 1ms void-animation-out;
}

.example-4 input::-webkit-input-placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.example-4 input::-moz-placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.example-4 input:-ms-input-placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.example-4 button {
    position: relative;
    display: block;
    padding: 16px 40px;
    color: #ffffff;
    margin: 0 auto;
    background: #000000;
    font-size: 16px;
    text-align: center;
    line-height: 20px;
    font-style: normal;
    width: 100%;
    border-radius: 6px;
    -webkit-box-shadow:
        inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
        0 4px 8px 0 rgba(0, 0, 0, 0.08);
    box-shadow:
        inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
        0 4px 8px 0 rgba(0, 0, 0, 0.08);
}

.example-4 button[disabled] {
    background: rgba(0, 0, 0, 0.5) !important;
}

.example-4 button:hover {
    cursor: pointer;
}

.example-4 button:disabled {
    cursor: default;
}

.example-4 .rebilly-framepay {
    background: transparent;
    height: 38px;
    border-radius: 0;
    padding-left: 0;
    border: none;
    -webkit-box-shadow: none;
    box-shadow: none;
    border-bottom: 1px solid #000000;
}

.example-4 .rebilly-framepay.rebilly-framepay-focus {
    background: transparent;
}