Mobile 1-pixel problem

Min-height:4rem;
Margin-top: -1px;
Background:-webkit-gradient (linear,left top,left bottom,from (#fff), Color-stop (. 5, #fff), Color-stop (. 5,transparent ) Top left no-repeat,-webkit-gradient (linear,left top,left bottom,from (#fff), to (#fff)) bottom left no-repeat,- Webkit-gradient (Linear,left top,left bottom,from (#e5e5e5), Color-stop (. 5, #e5e5e5), Color-stop (. 5,transparent)) Top Left no-repeat,-webkit-gradient (linear,left top,left bottom,from (#e5e5e5), to (#e5e5e5)) bottom left no-repeat, #fff;
Background:-webkit-linear-gradient (90deg, #fff, #fff) top left no-repeat,-webkit-linear-gradient (270deg, #fff, #fff) Bottom left no-repeat,-webkit-linear-gradient (90deg, #e5e5e5, #e5e5e5, Rgba (229,229,229,0)) top left no-repeat,- Webkit-linear-gradient (270deg, #e5e5e5, #e5e5e5, Rgba (229,229,229,0)) bottom left no-repeat, #fff;
Background:linear-gradient (0deg, #fff, #fff) top left no-repeat,linear-gradient (180deg, #fff, #fff) bottom left No-repeat,linear-gradient (0deg, #e5e5e5, #e5e5e5, Rgba (229,229,229,0)) top left no-repeat,linear-gradient (180deg,# E5e5e5, #e5e5e5, Rgba (229,229,229,0)) bottom left no-repeat, #fff;
-webkit-background-size:0 0,0 0,100% 1px,100% 1px;
-webkit-box-align:center;
-webkit-align-items:center;

Mobile 1-pixel problem