.background_conta{
position: absolute;
height:max-content;
width: 100%;
top: 0;
left: 0;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
z-index: -20;
}
.contanier{
height: 100vh;
width: 100vw; 
background-size: cover  !important;
background-repeat: no-repeat !important;
background-position: center !important;
z-index: -10;
opacity: 0.7;
}
.contanier::before{
position: absolute;
content: "";
top: 0;
left: 0 ;
width: 100%;
height: 100%;
/* background: #13101080; */
z-index: -5;
}
.contanier:nth-child(1){background: url('https://wallpaperaccess.com/full/1340240.jpg');}
.contanier:nth-child(2){background: url('https://wallpaperaccess.com/full/1340250.jpg');}