styles.css

/* Style the body and general layout */
body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #121212;
    margin: 0;
}

h1, label, h4 {
    color: whitesmoke
}

.container {
    text-align: center;
    background-color: #282828;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 500px;
    max-height: 80vh;
    max-width: 100vh;
    overflow: auto;
}

.output, .addremove {
    text-align: center;
    background-color: #282828;
    padding: 5px;
    border-radius: 10px;
    width: 450px;
    overflow: auto;
}

select {
    background-color: #3f3f3f;
    color: whitesmoke;
    padding: 10px;
    width: 75%;
    margin: 10px 0;
    border-radius: 10px;
    border: 1px solid #575757;
}

input {
    background-color: #3f3f3f;
    color: whitesmoke;
    padding: 10px;
    width: 71%;
    margin: 10px 0;
    border-radius: 10px;
    border: 1px solid #575757;
}

/* Style for buttons */
button {
    padding: 10px;
    width: 76%;
    border-radius: 20px;
    border: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background-color: #d60202;
    color: whitesmoke;
    cursor: pointer;
}

button:hover {
    background-color: #b60202;
}

/* Style the result list and other elements */
ul {
    list-style-type: none;
    padding: 0;
}

li {
    text-align: left;
    color: whitesmoke;
    padding: 5px;
}