*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: black;
}
.global{
  width: 80vmin;
  height: 80vmin;
  position: relative;
}
.containerone{
  width: 80vmin;
  height: 80vmin;
  display: flex;
  flex-wrap: wrap;
  cursor: pointer;
}
.containerone > div{
  width: 4vmin;
  height: 4vmin;
  flex: 0 0 auto;
  box-shadow: inset 0 0 1vmin black;
}
/* ----------------------- */
.circle{
  border-radius: 50%;
}
.full{
}
.slash{
  clip-path: polygon(50% 0, 100% 0%, 50% 100%, 0% 100%);
}
/* --------------------- */
.color0{background-color: transparent;}
.color1{background-color: lime;}