body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
header {
    border-bottom: 1px solid #ccc;
    padding-bottom: 10px;
}
header nav a {
    margin-right: 10px;
    text-decoration: none;
    color: blue;
}
main section {
    margin-bottom: 20px;
}
pre {
    background: #f4f4f4;
    padding: 10px;
    border: 1px solid #ccc;
    height: 300px;
    overflow-y: scroll;
}
progress {
    width: 300px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
th, td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: left;
}
th {
    background: #f4f4f4;
}
button {
    padding: 8px 16px;
    margin-right: 10px;
    cursor: pointer;
}
input, textarea {
    padding: 8px;
    margin-bottom: 10px;
    width: 200px;
}
#logs {
    height: 500px;
    overflow-y: scroll;
}
form {
    display: flex;
    flex-direction: column;
    max-width: 300px;
}