html-uhr/style.css

@import url('https://fonts.googleapis.com/css?family-Poppins:200,300,400,500,600,700,800,900&display=swap');
*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
body
{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #2f363e;
}
.container
{
    position: relative;
    background: #2f363e;
    /*min-height: 500px;*/
    border-radius: 20px;
    border-top-left-radius: 225px;
    border-top-right-radius: 225px;
    box-shadow: 25px 25px 75px rgba(0,0,0,0.75),
    10px 50px 70px rgba(0,0,0,0.25),
    inset 5px 5px 10px rgba(0,0,0,0.5),
    inset 5px 5px 20px rgba(255,255,255,0.2),
    inset -5px -5px 15px rgba(0,0,0,0.75);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.clock
{
    position: relative;
    width: 450px;
    height: 450px;
    background: #2f363e;
    border-radius: 50%;
    box-shadow: 10px 50px 70px rgba(0,0,0,0.25),
    inset 5px 5px 10px rgba(0,0,0,0.5),
    inset 5px 5px 20px rgba(255,255,255,0.2),
    inset -5px -5px 15px rgba(0,0,0,0.75);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
}
.clock::before
{
   content: '';
   position: absolute;
   width: 8px;
   height: 8px;
   background: #2f363e; 
   border: 3px solid #fff;
   border-radius: 50%;
   z-index: 100000;
}
.clock span
{
    position: absolute;
    inset: 20px;
    color: #fff;
    text-align: center;
    transform: rotate(calc(30deg * var(--i)));
    /*360 / 12 = 30deg*/

}
.clock span b
{
    font-size: 2em;
    opacity: 0.25;
    font-weight: 600;
    display: inline-block;
    transform: rotate(calc(-30deg * var(--i)));
}
.circle
{
    position: absolute;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(0,0,0,0.25);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    z-index: 10;
}
.circle i
{
    position: absolute;
    width: 6px;
    height: 50%;
    background: var(--clr);
    opacity: 0.75;
    transform-origin: bottom;
    transform: scaleY(0.5);
}
.circle:nth-child(1) i
{
    width: 2px;
}
.circle:nth-child(2) i
{
    width: 6px;
}
.circle2
{
    width: 240px;
    height: 240px;
    z-index: 9;
}
.circle3
{
    width: 180px;
    height: 180px;
    z-index: 8;  
}
.circle::before
{
    content: '';
    position: absolute;
    top: -8.5px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--clr);
    box-shadow: 0 0 20px var(--clr),
    0 0 60px var(--clr);
}

/*Digital Uhr Style*/
#time
{
    margin-bottom:40px;
    display: flex;
    padding: 10px 20px;
    font-size: 2em;
    font-weight: 600;
    border: 2px solid rgba(0,0,0,0.5);
    border-radius: 40px;
    box-shadow: 5px 5px 10px rgba(0,0,0,0.5),
    inset 5px 5px 20px rgba(255,255,255,0.2),
    inset -5px -5px 15px rgba(0,0,0,0.75);
}
#time div
{
    position: relative;
    width: 60px;
    text-align: center;
    font-weight: 500;
    color: var(--clr);
}
#time div:nth-child(1)::after,
#time div:nth-child(2)::after
{
    content: ':';
    position: absolute;
    right: -4px
}
#time div:last-child
{
    font-size: 0.5em;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
}
#time div:nth-child(2)::after
{
    animation: animate 1s steps(1) infinite;
}
@keyframes animate
{
    0%
    {
        opacity: 1;
    }
    50%
    {
        opacity: 0;
    }
}