html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}table{border-collapse:collapse;border-spacing:0}
/* vietnamese */
@font-face {
  font-family: 'Work Sans';
  font-style: normal;
  font-weight: 100;
  src: url(https://fonts.gstatic.com/s/worksans/v19/QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nWBiAJpp_c.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Work Sans';
  font-style: normal;
  font-weight: 100;
  src: url(https://fonts.gstatic.com/s/worksans/v19/QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nWBiEJpp_c.woff2) format('woff2');
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Work Sans';
  font-style: normal;
  font-weight: 100;
  src: url(https://fonts.gstatic.com/s/worksans/v19/QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nWBi8Jpg.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
body{
  background: radial-gradient(#569, #223);
  height: 100vh;
  overflow: hidden;
  width: 100vw;
}
a{
  color: white;
}
#codepen-link{
  position: absolute;
  bottom: 30px;
  right: 30px;
  height: 40px;
  width: 40px;
  z-index: 10;
  border-radius: 50%;
  box-sizing: border-box;
  background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/544318/logo.jpg');
  background-position: center center;
  background-size: cover;
  opacity: 0.5;
  transition: all 0.25s;
}
#codepen-link:hover{
    opacity: 0.8;
    box-shadow: 0 0 6px rgba(225,235,255,0.8);
}
#clock{
  border-radius: 50%;
  height: 450px;
  left: calc(50% - 225px);
  position: relative;
  top: calc(50% - 225px);
  width: 450px;
}
#tick-marks{
  height: 100%;
  position: absolute;
  transform: rotate(-90deg);
  width: 100%;
}
.tick-mark{
  border: 1px solid #335;
  border-radius: 50%;
  box-sizing: border-box;
  height: 8px;
  list-style: none;
  position: absolute;
  transition: all 300ms;
  width: 8px;
}
.tick-mark:nth-of-type(5n + 1){
  height: 14px;
  width: 14px;
}
.ticker{
  background: rgba(155, 175, 235, 0.7);
  border: 1px solid #335;
  border-radius: 50%;
  box-sizing: border-box;
  position: absolute;
  transform-origin: center center;
}
.ticker:after{
  border: 1px solid #335;
  bottom: calc(50% + 8px);
  content: "";
  display: block;
  height: 11px;
  left: calc(50% - 6px);
  position: relative;
  transform: rotate(45deg);
  width: 11px;
}
.ticker:before{
  background: #abf;
  border: 1px solid #335;
  border-radius: 2px;
  content: "";
  display: block;
  height: 50%;
  left: calc(50% - 2px);
  position: relative;
  width: 3px;
}
.second.ticker{
  box-shadow: inset 0 0 0.6em 0.1em #ccf;
  height: 400px;
  left: calc(50% - 200px);
  top: calc(50% - 200px);
  width: 400px;
  transition: all 200ms cubic-bezier(1, -0.1, 0.35, 1.335);
}
.second.ticker:after{
  background: #9cf;
}
.minute.ticker{
  box-shadow: inset 0 0 0.7em 0.2em #ccf;
  height: 340px;
  left: calc(50% - 170px);
  top: calc(50% - 170px);
  width: 340px;
  transition: all 600ms cubic-bezier(1, -0.1, 0.35, 1.335);
}
.minute.ticker:after{
  background: #9fc;
}
.hour.ticker{
  box-shadow: inset 0 0 0.8em 0.3em #ccf;
  height: 280px;
  left: calc(50% - 140px);
  top: calc(50% - 140px);
  width: 280px;
  transition: all 1000ms cubic-bezier(1, -0.1, 0.35, 1.335);
}
.hour.ticker:after{
  background: #c9f;
}
#time-output{
  background-image: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.5) 25%,
    rgba(0, 0, 0, 0.6) 50%,
    rgba(0, 0, 0, 0.5) 75%,
    rgba(0, 0, 0, 0) 100%
  );
  color: #fff;
  font-family: "Work Sans", sans-serif;
  font-size: 3em;
  margin: auto;
  position: relative;
  text-align: center;
  top: calc(50% - 0.5em);
  width: 380px;
}