body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1em;
    text-align: center;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
}

header nav ul li {
    margin-right: 20px;
}

header nav a {
    color: #fff;
    text-decoration: none;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2em;
}

.hero {
    background-image: linear-gradient(to bottom, #333, #555);
    background-size: 100% 300px;
    background-position: 0% 100%;
    height: 300px;
    /*display: flex;*/
    padding:10px;
    justify-content: center;
    align-items: center;
    color: #fff;
}

.login-form {
    background-color: #fff;
    padding: 2em;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 300px;
    margin: 20px auto;
}

.login-form h2 {
    margin-top: 0;
}

.login-form label {
    display: block;
    margin-bottom: 10px;
}

.login-form input[type="text"], .login-form input[type="password"] {
    width: 100%;
    height: 40px;
    margin-bottom: 20px;
    padding: 10px;
    border: 1px solid #ccc;
}

.login-form input[type="submit"] {
    width: 100%;
    height: 40px;
    background-color: #4CAF50;
    color: #fff;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.account-summary {
    background-color: #fff;
    padding: 2em;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 800px;
    margin: 20px auto;
}

.account-summary h2 {
    margin-top: 0;
}

.account-summary ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.account-summary li {
    padding: 10px;
    border-bottom: 1px solid #ccc;
}

.account-summary li:last-child {
    border-bottom: none;
}

.transactions {
    background-color: #fff;
    padding: 2em;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 800px;
    margin: 20px auto;
}

.transactions h2 {
    margin-top: 0;
}

.transactions table {
    width: 100%;
    border-collapse: collapse;
}

.transactions th, .transactions td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
}

.transactions th {
    background-color: #f0f0f0;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 1em;
    text-align: center;
    clear: both;
}