如何在CSS中创建此形状?(垂直对齐div)

Arm*_*res 3 css css3 css-shapes

我如何在CSS中创建它?我无法对齐圆形div垂直中间.

见图:
http://siterepository.s3.amazonaws.com/4015/facebook.png

在这里我做了什么:https://jsfiddle.net/5odbwkn5/

 .gray-btn1 {
     width: 50px;
     height: 50px;
     -webkit-border-radius: 50%;
     -moz-border-radius: 50%;
     border-radius: 50%;
     background: url(../images/ico/9.png) no-repeat center 70%;
     background-color: #5dd6e4;
     margin-left:-20px;
     position: relative;
     float:left;
 }
 .gray-btn {
     width: 50px;
     height: 50px;
     -webkit-border-radius: 50%;
     -moz-border-radius: 50%;
     border-radius: 50%;
     background: url(../images/ico/9.png) no-repeat center 70%;
     background-color: #5dd6e4;
     margin-right: -20px;
     position: relative;
     float:right;
 }
 .gray-mid {
     background-color: #5dd6e4;
     text-align:center;
 }
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<div class="gray-mid">
    <div class="gray-btn1"><span class="fa-connectdevelop">left</span>
    </div>
    <div class="gray-btn"><span class="fa-connectdevelop">right</span>
    </div>
    <div style="height:100px">middle</div>
</div>
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Alv*_*dez 5

你可以像之前和之后一样使用伪元素来轻松实现这种效果:

.container:before {
    content:' ';
    display:block;
    height: 30px;
    width:30px;
    background-color:#999;
    border-radius:15px;
    position:absolute;
    left:-15px;
    top:7px;
}
.container:after {
    content:' ';
    display:block;
    height: 30px;
    width:30px;
    background-color:#999;
    border-radius:15px;
    position:absolute;
    right:-15px;
    top:7px;
}
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这是我为你制作的FIDDLE作为例子.

编辑:我更新了小提琴,以确保圆圈("之前"和"之后")位于容器后面.并稍微移动元素,使其更符合您的图像.