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

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header {
    background: #333;
    color: #fff;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #77aaff 3px solid;
}

header h1 {
    text-align: center;
    text-transform: uppercase;
    margin: 0;
}

#user-management {
    margin-top: 20px;
    background: #fff;
    padding: 20px;
    border-radius: 5px;
}

#user-list {
    list-style: none;
    padding: 0;
}

#user-list li {
    padding: 10px;
    border-bottom: 1px #ccc dotted;
    display: flex;
    justify-content: space-between;
}

#create-user-form {
    margin-top: 20px;
}

#create-user-form input {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

#create-user-form button {
    padding: 10px 20px;
    background: #77aaff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}