PureCSSClock/clock.css at master · anubhavgupta/PureCSSClock · GitHub

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/*
developed by Anubhav Gupta
https://github.com/anubhavgupta/PurceCSSClock
contact: anubhav200@gmail.com
*/

div, body, html {
    padding: 0;
    border: none;
    margin: 0;
    outline: 0;
    box-sizing: border-box;
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}
    .clock-container{
        width: 400px;
        height: 400px;
    }
        .clock {
            background-color: #023A02;
            width: 100%;
            height: 100%;
            border-radius: 100%;
            position: relative;
            box-shadow: 0 0 10px #333;
        }

            .outer-rim {
                border: 10px dotted yellowgreen;
                width: 99%;
                height: 99%;
                border-radius: 100%;
                box-shadow: 0 0 65px -6px inset;
                left: 2px;
                position: absolute;
                top: 2px;
                border-style: double;
            }

            .numbers {
                font-size: 60px;
                color: yellow;
                width: 100%;
                height: 100%;
                position: absolute;
                top: 0;
                left: 0;
                font-family: sans-serif;
                letter-spacing: -4px;
                font-weight: lighter;
                z-index: 0;
                text-shadow: 0 0 7px black;
            }

                .clock-num{
                    position: relative;
                }
                .clock-num.top {
                    left: 43%;
                    top: 2%;
                }
                .clock-num.right {
                    left: 85%;
                    top: 22%;
                }
                .clock-num.bottom {
                    left: 44%;
                    top: 47%;
                }
                .clock-num.left {
                    left: 4%;
                    top: -13%;
                }

/*CENTER PIN*/
            .center-pin {
                width: 5%;
                height: 5%;
                background: #B50101;
                border-radius: 100%;
                position: absolute;
                left: 47.5%;
                top: 47.5%;
                z-index: 1;
                box-shadow: inset 0 0 30px -10px black;
            }

/*NEEDLES*/
            .needle-hr {
                width: 8px;
                height: 30%;
                background: white;
                position: absolute;
                left: calc(50% - 4px);
                transform-origin: center bottom;
                transform: rotateZ(0deg);
                top: 20%;
                animation: time 43200s infinite steps(60);
                box-shadow: 0 0 7px;
            }
            .needle-hr:after {
                content: "";
                width: 1px;
                height: 1px;
                position: absolute;
                border-right: 3px solid transparent;
                border-bottom: 13px solid white;
                border-left: 4px solid transparent;
                top: -14px;
                left: 0px;
            }
            .needle-min {
                width: 8px;
                height: 40%;
                background: white;
                position: absolute;
                left: calc(50% - 4px);
                transform-origin: center bottom;
                transform: rotateZ(0deg);
                top: 10%;
                animation: time 3600s infinite steps(60);
                box-shadow: 0 0 7px;
            }
            .needle-min:after {
                content: "";
                border-right: 4px solid transparent;
                position: absolute;
                height: 1px;
                width: 1px;
                border-bottom: 14px solid white;
                border-left: 3px solid transparent;
                top: -14px;
                left: 0px;
            }

            .needle-sec,.needle-hr-24,.needle-mil-sec {
                width: 2px;
                height: 53%;
                background: #B50101;
                position: absolute;
                left: calc(50% - 1px);
                transform-origin: 50% 85%;
                transform: rotateZ(0deg);
                top: 5%;
                animation: time 60s infinite steps(60);
                box-shadow: 0 0 10px -3px black;
            }
            .needle-hr-24 {
                animation: time 86400s infinite steps(24);
            }
            .needle-mil-sec{
                animation: time 1s infinite linear;
            }


/*SMALL VERSION*/
        .clock.small{
            width: 20%;
            height: 20%;
            background-color: white;
            box-shadow: inset 0 0 16px yellowgreen;
        }
        .clock.small.small-btm {
            left: 41%;
            top: 59%;
        }
        .clock.small.small-right {
            left: 62%;
            top: 18%;
        }
        .clock.small.small-left {
            left: 18%;
            top: -2%;
        }

            .clock.small > .numbers {
                font-size: 12px;
                color: black;
                letter-spacing: -2px;
            }
body div > a {
    margin-top: 40px;
    display: inline-block;
}

/*KEYFRAMES*/

@keyframes time {
    100%{
        transform: rotateZ(360deg);
    }
}