运行盒子左边有边距，求解决办法

body{

font-family: Georgia,serif;

background: #ddd;

font-weight: 400;

font-size: 15px;

color: #333;

-webkit-font-smoothing:antialiased;

}

a{

text-decoration: none;

color:#555;

}

<!-- 链接样式-->

.clr{

width: 0;

height:0;

overflow: hidden;

clear: both;

padding :0;

margin: 0;

}

.st-container{

width:100%;

height: 100%;

position: :absolute;

left: 0;

top :0;

font-family: "Josefin Slab","Myriad Pro",Arial,sans-serif;

}

.st-container > input,

.st-container > a{

width: 20%;

height: :34px;

line-height: 34px;

position: fixed;

bottom:0;

}

.st-container > input{

<!--- display: :none;position: absolute;left :-99999px;visibility: hidden;opacity: 0

都可以把元素影藏掉，

display: :none;影藏不占位，不在这个地方。position: absolute;在这个地方。left :-99999px;不存在--->

opacity: 0;

z-index：1000;

}

.st-container > a{

z-index: 10;

font-weight: 700;

font-size: 16px;

background: #e23a6e;

text-align: center;

color: #fff;

box-shadow: 1px 1px 1px rgba(151,24,64,0.2);

}