:root {
    --form-label: "Poppins";
    --form-input: "Poppins";
    --text-label: "Poppins";
    --text-para: "Poppins";
    --button-font: "Poppins";
    --button-color: white;
    --button-bg: #2196F3;
}
body {
    background: rgba(0,0,0,.1);
    padding: 0;
    margin: 0;
}
textarea,
input {
    outline: none;
}
h1, h2, h3, h4, h5, h6, p {
    margin: 0;
    padding: 0;
}
section.panel {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100vh;
}

/* Column */
.flex {
    display: -webkit-flex;
    row-gap: 10px;
    column-gap: 10px;
}

/* Image */
.img,
img {
    width: 100%;
    box-sizing: border-box;
}
.img {
    text-align: center;
    margin: 12px auto;
    max-width: 200px;
}

/* Box */
.box {
    padding: 30px;
}
.box.mid {
    width: 100%;
    max-width: 350px;
    box-sizing: border-box;
}
.box.shadow {
    box-shadow: 0 1px 2px rgba(0,0,0,.3);
}
.box.white {
    background: white;
}
.box.round {
    border-radius: 6px;
}

/* Button */
button {
    text-align: center;
    padding: 8px 12px;
    cursor: pointer;
    width: 100%;
    box-sizing: border-box;
    font-family: var(--button-font);
    color: var(--button-color);
    background: var(--button-bg);
    border-radius: 3px;
    margin: 15px auto;
    border-width: 0px;
    outline: none;
}
button.small {
    max-width: 150px;
}

/* Form */
form {
    display: -webkit-flex;
    flex-direction: column;
    row-gap: 15px;
}
form > .input-box {
    width: 100%;
    box-sizing: border-box;
}
form > .input-box label {
    width: 100%;
    box-sizing: border-box;
    font-family: var(--form-label);
    font-size: 11px;
    margin-left: 4px;
    margin-bottom: 4px;
}
form > .input-box textarea,
form > .input-box input {
    width: 100%;
    box-sizing: border-box;
    font-family: var(--form-input);
    font-size: 13px;
    padding: 6px 10px;
    border-color: rgba(188,188,188,.3);
    border-width: 1px;
    border-radius: 3px;
}
form > .input-box span.error {
    width: 100%;
    box-sizing: border-box;
    font-family: var(--form-input);
    font-size: 11px;
    color: #A00000;
}
form > .input-box input[type="number"]::-webkit-outer-spin-button,
form > .input-box input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Summary Text */
div.summary {
    display: -webkit-flex;
    flex-direction: column;
    row-gap: 15px;
}
div.summary > .text-box {
    width: 100%;
    box-sizing: border-box;
}
div.summary > .text-box label {
    width: 100%;
    box-sizing: border-box;
    font-family: var(--text-label);
    font-size: 11px;
    margin-bottom: 4px;
    color: rgba(188,188,188,.5);
}
div.summary > .text-box p {
    width: 100%;
    box-sizing: border-box;
    font-family: var(--text-para);
    font-size: 13px;
}

/* Summary */
.status {
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    margin-bottom: 4px;
}
.status h6.success {
    font-size: 16px;
    font-family: var(--text-label);
    text-transform: uppercase;
    color: #4CAF50;
}
.status h6.fail {
    font-size: 16px;
    font-family: var(--text-label);
    text-transform: uppercase;
    color: #A00000;
}
.amount {
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    margin-bottom: 30px;
}
.amount h1 {
    font-size: 28px;
    font-family: var(--text-label);
}