configuration.css

#configuration {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: white;
    color: #333;
    font-size: 1rem;
}

#configuration > img {
    width: 50%;
    margin-top: auto;
}

#configuration .header {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0 1em 0 1.5em;
    margin: 2em 0;
    flex-shrink: 0;
}

#configuration .header__brand h1 {
    text-transform: uppercase;
    font-size: 2.2rem;
    line-height: 1.8rem;
    font-weight: 700;
    margin: 0;
    color: #5B9B21;
}

#configuration .header__brand h1 small {
    font-size: 1.5rem;
    color: #555;
    line-height: 1rem;
}

#configuration .header__brand::after {
    position: absolute;
    content: '';
    left: 0;
    top: 0;
    width: 8px;
    height: 100%;
    background: #5B9B21;
}

#configuration .header__logo {
    flex: 1;
    height: 100%;
    margin-left: auto;
    background: url("ticket.jpg") no-repeat right;
    background-size: contain;
}


.configuration-form {
    padding: 1em;
    max-width: 100%;
}

.configuration-form .row {
    margin: 1em 0;
}

.configuration-form > h1 {
    color: var(--green);
    text-align: center;
    margin-bottom: 1em;
}

.configuration-form > .row > label {
    display: block;
    margin: 0 0 0.25rem;
    padding: 0;
    font-size: 1.1em;
}

.configuration-form > .row > input {
    width: 100%;
    font-size: 1em;
    padding: 10px 2px;
    border: 0;
    border-bottom: 2px solid grey;
    outline: none;
}

.configuration-form > .row > input:focus {
    border-bottom: 2px solid var(--green);
}

.configuration-form > .row > input::placeholder {
    color: #d5d5d5;
}

.configuration-form > .row > input[type='submit'] {
    cursor: pointer;
    padding: 0.9em;
    font-size: 1.2em;
    background: var(--green);
    color: white;
    border-radius: var(--border-radius);
    border-bottom: 4px solid #4f7f24;
    box-shadow: 0px 2px 2px #0000001f;
}

.configuration-form .row > .border {
    padding: 20px;
    background: #fbfbfb;
    border: 1px solid #8080801c;
}

.configuration-form .row > .border--small {
    padding: 10px 20px;
}

.horizontal-radio-list {
    display: flex;
    justify-content: center;
}

.horizontal-radio-list .radio-block {
    display: flex;
    position: relative;
    height: 5em;
    width: 5em;
    cursor: pointer;
    font-size: 1.1em;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.horizontal-radio-list .radio-block:not(:last-of-type) {
    margin-right: 10px;
}

/* Hide the browser's default radio button */
.horizontal-radio-list .radio-block input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

/* Create a custom radio button */
.horizontal-radio-list .radio-block .block {
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    text-transform: uppercase;
    background-color: #eee;
    box-shadow: 0px 2px 2px #0000001f;
    border-radius: var(--border-radius);
    border: 1px solid #0000000d;
}

/* On mouse-over, add a grey background color */
.horizontal-radio-list .radio-block:hover input ~ .block {
    background-color: #ccc;
}

/* When the radio button is checked, add a green background */
.horizontal-radio-list .radio-block input:checked ~ .block {
    background-color: var(--green);
    color: white;
}


.radio-switch {
    position: relative;
    display: flex;
    font-size: 1.05rem;
}

.radio-switch > input[type="radio"] {
    width: 0;
    opacity: 0;
    margin: 0;
}

.radio-switch > label {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    text-align: center;
    padding: 14px;
    z-index: 1;
    margin: 5px 0;
    color: #333;
}

.radio-switch > label:not(:last-of-type) {
    border-right: 1px solid #00000010;
}

.radio-switch > input:checked + label {
    background: var(--green);
    color: white;
    margin: 0;
    box-shadow: 0px 2px 2px #0000001f;
    border-radius: var(--border-radius);
    border: 1px solid #8080801c;
}

.radio-switch .background {
    background: #fbfbfb;
    position: absolute;
    left: 0;
    top: 10%;
    height: 80%;
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0px 2px 2px #0000001f;
    border: 1px solid #0000000d;
}