.cz_line {
position: relative;
margin: 10px 0;
width: 100%;
height: 4px;
background: #111
}
.cz_line.tac {
margin: 0 auto;
display: table
}
.cz_line.tal {float: left}
.cz_line.tar {float: right}
.cz_line_before_circle:before,
.cz_line_after_circle:after {
content: '';
position: absolute;
left: 0;
top: 50%;
width: 8px;
height: 8px;
border: 2px solid;
border-radius: 100%;
transform: translate(-96%, -50%)
}
.cz_line_after_circle:after {
left: auto;
right: 0;
top: 50%;
transform: translate(96%, -50%)
}