.point{ width: 10px; height: 10px; background: black; border-radius: 50%; }
.line{ width: 100px; border: 2px solid black; }
.double-line{ width: 100px; height: 2px; }
.double-line{ width: 100px; height: 2px; } .slant{ transform: rotate(30deg); }
.square{ width: 100px; height: 100px; }
.square{ width: 100px; height: 100px; }
.circle{ width: 100px; height: 100px; border-radius: 50%; }
.oval{ width: 100px; height: 50px; border-radius: 50%; }
.arc{ width: 100px; height: 100px; border-top-left-radius: 100%; }