Positioning in css and html with bootstrap


I would like to create a block of 5 blocks of the same width with
margins of 10px whose first div is in a fixed position or does not
scroll, All responsible or aligns verticalment mobile. href="https://fonts.googleapis.com/css?family=Belleza"
rel="nofollow">https://fonts.googleapis.com/css?family=Belleza'
rel='stylesheet' type='text/css'> href="https://fonts.googleapis.com/css?family=Raleway:400,500,700"
rel="nofollow">https://fonts.googleapis.com/css?family=Raleway:400,500,700'
rel='stylesheet' type='text/css'>



.wrapper{
display: flex;
}
._bloc{
width: 20%;
height: 100vh;
background-color: #122b40;
margin: 10px;
}







Div Fixed
2
3
4
5




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