#header {
    width: 100%;
    background-color: black;
    position: fixed;
    z-index: 999;
    height: 50px;
    color: white;
    font-size: medium;
    text-indent: 20px;
}

#main {
    padding-top: 60px;
    min-height: calc(100vh - 120px);
    max-width: 1000px;
    /* padding-left: 200px; */
    margin: auto;
}

#footer {
    height: 20px;
    width: 100%;
    text-align: center;
}