0.5厘米标线

/ 0.5标线 /
#line {
height: 1px;
border: none;
width: 1000px;
transform: scale(1,0.5);
background-color: gray;
}
/ 0.5标线 /
#line2 {
width: 1200px;
border-width: 1px 0 0 0;
border-style: solid;
border-color: #f0f2f7;
transform: scale(1,0.5);
}