<div class="clock">
  <img src="https://dl.dropbox.com/s/f3b3lyanili7zl2/clock%20template-01.svg?raw=1">
  <div class="hour hand" id="hour"></div>
  <div class="minute hand" id="minute"></div>
  <div class="seconds hand" id="seconds"></div>
</div>
</div>

body {
  background: url(https://assets.codepen.io/7773162/circle.png)
    no-repeat center center fixed;
  background-size: cover;
  width: 100%;
  height: 100vh;
  padding: 0;
  margin: 0;
}
.clock {
  height: 320px;
  width: 320px;
  background-color: rgba(255, 255, 255, 0.06);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-radius: 50%;
  position: absolute;
  margin: auto;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  -webkit-box-shadow: 30px 30px 35px rgba(0, 0, 0, 0.25);
  box-shadow: 30px 30px 35px rgba(0, 0, 0, 0.25);
  border: 2px solid rgba(255, 255, 255, 0.1);
}
img {
  opacity: 0.6;
}
.hand {
  position: absolute;
  margin: auto;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.2);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-radius: 5px;
  -webkit-transform-origin: bottom;
  -ms-transform-origin: bottom;
  transform-origin: bottom;
}
.hour {
  height: 60px;
  width: 10px;
  top: 100px;
}
.minute {
  height: 80px;
  width: 5px;
  top: 80px;
}
.seconds {
  height: 90px;
  width: 3px;
  top: 70px;
}

a {
  color: #ffffff;
  font-family: "Poppins", sans-serif;
  font-weight: 500;
  position: absolute;
  right: 20px;
  top: 20px;
  border: 3px solid #ffffff;
  border-radius: 5px;
  text-decoration: none;
}
a > .fa {
  color: #ff0000;
}
@media screen and (min-width: 451px) {
  a {
    font-size: 18px;
    padding: 8px 12px 8px 12px;
  }
}

@media screen and (max-width: 450px) {
  a {
    font-size: 12px;
    padding: 5px 8px 5px 8px;
  }
}

var hour = document.getElementById("hour");
var minute = document.getElementById("minute");
var seconds = document.getElementById("seconds");

var set_clock = setInterval(function clock() {
  var date_now = new Date();
  var hr = date_now.getHours();
  var min = date_now.getMinutes();
  var sec = date_now.getSeconds();

  var calc_hr = hr * 30 + min / 2;
  var calc_min = min * 6;
  var calc_sec = sec * 6;

  hour.style.transform = "rotate(" + calc_hr + "deg)";
  minute.style.transform = "rotate(" + calc_min + "deg)";

  seconds.style.transform = "rotate(" + calc_sec + "deg)";
}, 1000);