@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP&display=swap');
*{
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #000c00;
}
#clock h2{
    position: relative;
    display: block;
    color: #ffffff;
    text-align: center;
    margin: 10px 0;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.7em;
    font-size: 43px;
}
#clock #time{
    display: flex;
}
#clock #time div{
    position: relative;
    margin: 5em;
    -webkit-box-reflect: below 1px linear-gradient(transparent,#0004);
}
#clock #time div span{
    position: relative;
    display: block;
    width: 120px;
    height: 107px;
    background: #47da1bf8;
    color: #ffffff;
    font-weight: 20;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4em;
    z-index: 10;
    box-shadow: 0 0 0 1px rgb(0,0,0.9);
}
#clock #time div span:nth-child(2){
    font-size: 1.5em;
    height: 30px;
    letter-spacing: 0.01em;
    font-weight: 500;
    z-index: 9;
    box-shadow: none;
    background: #16f801;
    text-transform: uppercase;
}
#clock #time div:last-child span{
    background-color: #ff0000;
}
#clock #time div:last-child span:nth-child(2){
    background-color: #b30000;
}
