改变梯度hr的线性值

Question

我有改变<hr/>到渐变类型的CSS代码，

<hr class="style-one" /> 

.....

hr.style-one 
{ 
border: 0; 
height: 1px; 
background-image: -webkit-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
background-image: -moz-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
background-image: -ms-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
background-image: -o-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
} 

但是样式生成（白 - 黑 - 白色）渐变，你可以检查它Here :)
我怎样才能改变这个渐变（黑色 - 白色）？

Answer 1

更改CSS来

hr.style-one 
{ 
    border: 0; 
    height: 1px; 
    background-image: -webkit-linear-gradient(left, rgba(0,0,0,0.75), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
    background-image: -moz-linear-gradient(left, rgba(0,0,0,0.75), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
    background-image: -ms-linear-gradient(left, rgba(0,0,0,0.75), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
    background-image: -o-linear-gradient(left, rgba(0,0,0,0.75), rgba(0,0,0,0.75), rgba(0,0,0,0)); 
} 

按照FIDDLE