.clock-center {
    display: flex;
    justify-content: center;
    align-items: center ;
}

.clock
{
    width: 350px;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #fff url(../images/clock.svg);
    background-size: cover;
    box-shadow: inset 0 0 30px rgba(0,0,0,.1),
                0 20px 20px rgba(0,0,0,.2),
                0 0 0 4px rgba(255,255,255,1);
    border: 20px solid #fff;
    border-radius: 50%;
}
.clock:before
{
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    background: #848484;
    border: 2px solid #fff;
    z-index: 10000;
    border-radius: 50%;

}
.hour, .min, .sec
{
    position: absolute;
}
.hour,.hr
{
    width: 160px;
    height: 160px;
}
.min,.mn
{
    width: 190px;
    height: 190px;
}
.sec,.sc
{
    width: 230px;
    height: 230px;
}
.hr,
.mn,
.sc
{
    display: flex;
    justify-content: center;
    position: absolute;
    border-radius: 50%;
}

.hr::before
{
    content: '';
    position: absolute;
    width: 8px;
    height: 80px;
    background-color: #000000;
    z-index: 8;
    border-radius: 6px 6px 0 0;
}
.mn::before
{
    content: '';
    position: absolute;
    width: 4px;
    height: 90px;
    background-color: #000000;
    z-index: 9;
    border-radius: 6px 6px 0 0;
}
.sc::before
{
    content: '';
    position: absolute;
    width: 2px;
    height: 155px;
    background-color: #ff0000;
    z-index: 10;
    border-radius: 6px 6px 0 0;
}