.rx_liner{
    animation:2.5s infinite linear roller-animate;
 
}
@keyframes roller-animate{
 0%{transform:translateX(-50%) scaleX(0.01);
 
 }  
 20%{transform:scaleX(3);}
 40%{transform:scaleX(0.5);}
 70%{transform:scaleX(1.5);}
 100%{transform:translateX(100vw) scaleX(0.5);
 
 }
}