* {
    box-sizing: border-box;
}

html {
    overflow: hidden;
    position: fixed;
}

body {
    overscroll-behavior: none;
    height: 100%;
    position: relative;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    padding: 0;
    margin: 0;
}

body, html {
    height: 100%;
    width: 100%;
}

main {
    display: flex;
    flex-direction: column;
    height: 100%;
    align-items: center;
    max-width: 720px;
    margin: 0 auto;
}

div#content {
    flex: 1;
    padding: 0;
    overflow-y: auto;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}