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

.container {
    max-width: 600px;
    margin: 3em auto;
    background-color: #fff;
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 1em;
}

label {
    display: block;
    margin: 1em 0 0.5em;
    font-weight: bold;
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 0.5em;
    margin-bottom: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.row {
    display: flex;
    justify-content: space-between;
    gap: 1em;
}

.row>div {
    flex: 1;
}

#remark {
    height: 50px;
}

button {
    display: block;
    width: 100%;
    padding: 0.75em;
    background-color: #22ff00;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #000000;
}

footer {
    text-align: center;
    padding: 1em;
    background-color: #f4f4f4;
    position: relative;
    bottom: 0;
    width: 100%;
}