在中心对齐div文本对齐不起作用

我希望圆在768格的中心对齐

演示版

的HTML

<div class="About_Container">
  <div class="Icon_Wrapper">
    <div class="Circle">
      <div class="CircleWrapper"> <span class="Icon"> 
   <img src="http://livedemo00.template-help.com/drupal_50108/sites/default/files/icon-service-3.png" /> </span>
   <span class="Text"> CUSTOMER GUARANTEEE </span> </div>
    </div>
  </div>
  <div class="Text_Wrapper"> Vestibulum quis felis ut enim aliquam iaculis.
    Nullam pharetra tortor at quam viverra volutpat. 
    Phasellus vel faucibus dolor. Curabitur ac ni
    i non metus dignissim dapibus eu vel nibh. Phasellus </div>
  <div class="Link_Wrapper"> <a href="#">READ MORE</a> </div>
</div>

的CSS

@media ( min-width: 120px) and (max-width:768px) {

#Container_About {
    min-height: 1291px;
    background: #404040;
    width: 100%;
    float: left;
}

.TradeSlogan {
    font-size: 60px;
    line-height: 66px;
    font-family: 'Open Sans', sans-serif;
    color: #fff;
    margin-bottom: 25px;
    font-weight: 800;
    margin: 0;
    outline: 0;
    padding: 0;
    vertical-align: baseline;
}

.SomeTextWrapper {
    color: #949393;
    margin: 10px;
}

.SomeTextWrapper  .SomeTextWrapper:before,  .SomeTextWrapper:after {
    content: " "; /* 1 */
    display: table; /* 2 */
}

.SomeTextWrapper:after { clear: both; }

/**
     * For IE 6/7 only
     * Include this rule to trigger hasLayout and contain floats.
     */

.SomeTextWrapper {  *zoom: 1;
}

.About_Container {
    height: 100%;
    width: 100%;
}

.Circle {
    margin: 10px;
    height: 170px;
    width: 170px;
    border-radius: 170px;
    background: #949393;
    display: table-cell;
    vertical-align: middle;
    text-align: center;
}

.Icon_Wrapper {
    text-align: left;
    height: 100%;
    width: 100%;
}

.CircleWrapper { padding: 10px; }

.CircleWrapper Icon, Text {
    float: left;
    height: 44%;
    width: 100%;
    margin: 3%;
}

.Text {
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    color: #03c7de;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 1.5px;
}

.Text_Wrapper {
    margin: 25px;
    color: #03c7de;
    font-weight: 300;
    font-size: 11px;
    letter-spacing: 1.5px;
}

.Link_Wrapper {
    padding: 20px;
    text-align: right;
}

.Link_Wrapper a {
    color: #03c7de;
    font-weight: 300;
    font-size: 17px;
    letter-spacing: 1.5px;
}