.mainSectionZegary{
    position: relative;
    width: 100%;
    height: 100%;
}
.mainSectionZegary::after{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(#a18262, #362617);
    clip-path: circle(20% at 10% 20%);
    z-index: 1;
}
.mainSectionZegary::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(#393e41, #362617);
    clip-path: circle(30% at right 80%);
}
.d3FlexBox:nth-child(1){
    padding-top: 200px;
}