*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body
{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #ffffff;
}
.clock
{
    width: 350px;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url(clock.png);
    background-size: cover;
    border: none;
    border-radius: 50%;
    color: #333;
    box-shadow: -4px -4px 10px rgba(255,255,255,1),
                inset 4px 4px 10px rgba(0, 0, 0, 0.116),
                inset -4px -4px 10px rgba(255,255,255,1),
                4px 4px 10px rgba(0, 0, 0, 0.164);
}
.clock:before
{
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    background: #7a7a7a;
    border-radius: 50%;
    z-index: 10000;
}
.clock .hour,
.clock .min,
.clock .sec
{
    position: absolute;
}
.clock .hour, .hr
{
    width: 160px;
    height: 160px;

}
.clock .min, .mn
{
    width: 190px;
    height: 190px;

}
.clock .sec, .sc
{
    width: 230px;
    height: 230px;
}
.hr, .mn, .sc
{
    display: flex;
    justify-content: center;
    /*align-items: center;*/
    position: absolute;
    border-radius: 50%;
}
.hr:before
{
    content: '';
    position: absolute;
    width: 8px;
    height: 80px;
    background: #333333;
    z-index: 10;
    border-radius: 6px 6px 0 0;
}
.mn:before
{
    content: '';
    position: absolute;
    width: 4px;
    height: 90px;
    background: #7a7a7a;
    z-index: 11;
    border-radius: 6px 6px 0 0;
}
.sc:before
{
    content: '';
    position: absolute;
    width: 2px;
    height: 150px;
    background: #7a7a7a;
    z-index: 12;
    border-radius: 6px 6px 0 0;
}