body {
    background-color: white;
    padding: 30px;
    color: black;
    display:flex;
    justify-content: center;
} 
#themeDropdown {
    position: absolute;
    top: 10px;
    left: 10px;
}
#content {
    line-height: 1.5;
    border: 1px lightgray solid;
    text-align: center;
    padding: 50px 100px 20px 100px;
    max-width: 500px;
}
header p {
    color: #0077cc;
    padding-bottom: 0;
}
hr {
    margin: 0;
    color: lightgray;
}
main {
    text-align: left;
}
#logo {
    width: 120px;
}
li {
    margin-bottom: 10px;
}