<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.container {
width: 100%;
height: 30px;
display: flex;
flex-direction: row;
position: relative;
background-color: red;
}
.content {
width: 20%;
height: 26px;
line-height: 26px;
position: relative;
}
.num {
width: 26px;
height: 26px;
line-height: 26px;
border-radius: 13px;
background-color: #0085FF;
text-align: center;
color: #fff;
position: absolute;
left: calc(50% - 13px);
z-index: 1;
}
.content::after {
content: ' ';
width: calc(50% - 13px);
/* min-width: calc(50% - 13px); */
height: 2px;
min-height: 2px;
position: absolute;
/* display: inline-block; */
background-color: yellow;
top: 14px;
right: 0px;
}
.content::before {
content: ' ';
width: calc(50% + 13px);
/* min-width: calc(50% - 13px); */
height: 2px;
min-height: 2px;
position: absolute;
/* display: inline-block; */
background-color: green;
top: 14px;
left: 0px;
}
.content:nth-child(1)::before {
width: 0;
}
.content:nth-last-child(1)::after {
width: 0;
}
</style>
</head>
<body>
<div class="container">
<div class="content">
<div class="num">1</div>
</div>
<div class="content">
<div class="num">2</div>
</div>
<div class="content">
<div class="num">3</div>
</div>
<div class="content">
<div class="num">4</div>
</div>
<div class="content">
<div class="num">5</div>
</div>
<div class="content">
<div class="num">6</div>
</div>
</div>
</body>
</html>
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