Build line-through style with flexbox and pseudo elements - html

Question

I'm building a line-through header that can span multiple lines. Using the sample code below, is it possible to write my CSS in such a way that the left and right divs are not needed? Where they could be added as pseudo-classes to my header class?
CodePen
.container {
box-sizing: border-box;
display: flex;
place-content: center space-evenly;
align-items: center;
}
.line {
flex: 1;
height: 2px;
background: black;
}
.header {
font-size: 50px;
margin: 0 30px;
text-align: center;
}
.header-broken:after {
content: '';
display: -webkit-inline-flex;
display: -ms-inline-flexbox;
display: inline-flex;
width: 50px;
height: 5px;
flex: auto;
width: 100%;
height: 2px;
background: black;
}
<div class="container">
<div class="line"></div>
<div class="header">Normal Title<br>fdasfsaf</div>
<div class="line"></div>
</div>

Answer 1

It can be done with just one div, see the example below, add some margin to the pseudo elements as needed for spacing.
.container {
display: flex;
text-align: center;
}
.container:before,
.container:after {
content: "";
flex: 1;
background: linear-gradient(black, black) center / 100% 1px no-repeat;
}
<div class="container">
Normal Title<br>fdasfsaf
</div>

Answer 2

You can also try this.
HTML:
<div class="container">
<div class="header">
<h1>Normal Title
<br>fdasfsaf
</h1>
</div>
</div>
CSS:
.container {
display: flex;
text-align: center;
}
.header {
flex: 1;
}
.header h1 {
font-size: 50px;
margin: 0 30px;
text-align: center;
background-color: #fff;
display: inline-block;
}
.header:after {
content: '';
border-bottom: 1px solid #000;
display: block;
margin-top: -58px;
}