.circle-num {
    display: flex;
    width: 1.5em;
    height: 1.5em;
    text-align: center;
    vertical-align: middle;
    flex-direction: row;
    flex-wrap: nowrap;
    align-content: center;
    justify-content: center;
    align-items: center;
}

#image1 {
    width: 60em;
    height: auto;
}