* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
} 

body {
    background-color: lightgray;
}

#container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    margin: 30px;
}

li {
    margin-bottom: 20px;
    list-style-type: none;
    font-size: 20px;
}