body, html {
    height: 100%;
    margin: 0;
    display: flex;
    justify-content: center;
    font-family: Calibri;

}

ul {
    list-style-type: disc;
    padding: 0;
}

h1,h2 {
    text-align: center;
    padding: 10px;
}
ul li {
    margin: 5px 0;
    text-align: left;
}

input {
    width: 100%
}