#my-custom-post-form {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 5px;
}
#my-custom-post-form label {
    font-weight: bold;
    margin-bottom: 5px;
    display: block;
}
#my-custom-post-form input[type="text"],
#my-custom-post-form textarea,
#my-custom-post-form select {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
}
#my-custom-post-form input[type="submit"] {
    background-color: #0073aa;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}
#my-custom-post-form input[type="submit"]:hover {
    background-color: #005177;
}
.notice {
    padding: 1em;
    margin-bottom: 1em;
    border: 1px solid transparent;
    border-left: 4px solid;
}
.notice-success {
    background-color: #dff0d8;
    border-color: #3c763d;
    color: #3c763d;
}
.notice-error {
    background-color: #f2dede;
    border-color: #a94442;
    color: #a94442;
}