CSS duplication on page change

[vishalrharage]

.gjs-row{
display:flex;
justify-content:flex-start;
align-items:stretch;
flex-wrap:nowrap;
padding-top:10px;
padding-right:10px;
padding-bottom:10px;
padding-left:10px;
}
.gjs-cell{
min-height:75px;
flex-grow:1;
flex-basis:100%;
}
.gjs-row{
display:flex;
justify-content:flex-start;
align-items:stretch;
flex-wrap:nowrap;
padding-top:10px;
padding-right:10px;
padding-bottom:10px;
padding-left:10px;
}
.gjs-cell{
min-height:75px;
flex-grow:1;
flex-basis:100%;
}
@media (max-width: 768px){
.gjs-row{
flex-wrap:wrap;
}
.gjs-row{
flex-wrap:wrap;
}
}

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The css is getting duplicated
I have already given protected css as empty string and styleManager: { clearProperties: 1 },
but still issue persists