body {
    font-family: Arial, sans-serif;
    margin: 40px;
}

input, button {
    padding: 10px;
    font-size: 16px;
}

.error {
    color: red;
}
.market {
        cursor: pointer;
        margin-bottom: 15px;
}

.details {
        display: none;
        margin-top: 8px;
        padding-left: 10px;
        border-left: 3px solid #ccc;
        font-size: 0.95em;
}

.details.show {
        display: block;
}