sass封装h5适配文件

@charset "UTF-8";
/**
使用方法
@include keyframes(anMeinv,(
    0%:(
        background: url(i/meinv.png) no-repeat pxToRem(140) pxToRem(11),
        background-size: pxToRem(165) pxToRem(157)
    ),
    50%:(
        background: url(i/meinv.png) no-repeat pxToRem(140) pxToRem(11),
        background-size: pxToRem(265) pxToRem(257)
    ),
    75%:(
        background: url(i/meinv.png) no-repeat pxToRem(140) pxToRem(11),
        background-size: pxToRem(565) pxToRem(657)
    ),
    100%:(
        background: url(i/meinv.png) no-repeat pxToRem(140) pxToRem(11),
        background-size: pxToRem(465) pxToRem(557)
    )
));
@include animation(anMeinv 2s ease-out forwards);
*/
$browserPrefix:('-webkit-','-moz-','-ms-','-o-','');
@mixin transition($obj){
    @each $i in $browserPrefix{
        #{$i}transition:$obj;
    }
}
@mixin transform($obj){
    @each $i in $browserPrefix{
        #{$i}transform:$obj;
    }
}
@mixin animation($obj){
    @each $i in $browserPrefix{
        #{$i}animation:$obj;
    }
}
@mixin keyframes($name,$obj){
    @-webkit-keyframes #{$name}{
        @each $i,$val in $obj{
            #{$i}{
                @each $j,$val2 in $val{
                    #{$j}:$val2;
                }
            }
        }
    }
    @-moz-keyframes #{$name}{
        @each $i,$val in $obj{
            #{$i}{
                @each $j,$val2 in $val{
                    #{$j}:$val2;
                }
            }
        }
    }
    @-ms-keyframes #{$name}{
        @each $i,$val in $obj{
            #{$i}{
                @each $j,$val2 in $val{
                    #{$j}:$val2;
                }
            }
        }
    }
    @-o-keyframes #{$name}{
        @each $i,$val in $obj{
            #{$i}{
                @each $j,$val2 in $val{
                    #{$j}:$val2;
                }
            }
        }
    }
    @keyframes #{$name}{
        @each $i,$val in $obj{
            #{$i}{
                @each $j,$v in $val{
                    #{$j}:$v;
                }
            }
        }
    }
}