body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 0;
}
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1em 0;
    font-size: 8px;
}
footer a {
    color: #fff;
    padding: 1em 0;
    font-size: 8px;
}
header p {
    font-size: 6px;
    padding: 0;
    margin: 0;
}
main {
    padding: 1em;
}

#provider-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.provider {
    background: #fff;
    border: 1px solid #ddd;
    margin: 4px;
    padding: 4px;
    width: 45%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}