如何将公牛放入 css 圈内

Question

我需要创建一条线，里面有几个圆圈，圆圈里面有一个点。它们应该看起来像单选按钮 - 如何垂直对齐圆点？

HTML

<div class="round" id="round-vertically">
                <div class="circle img1" id="circle-star"><span>&bull;</span></div>
                <div class="circle-line"></div>
                <div class="circle img2" id="circle-key"><span>&bull;</span></div>
                <div class="circle-line"></div>
                <div class="circle img3" id="circle-cursor"><span>&bull;</span></div>
                <div class="circle-line"></div>
                <div class="circle img4" id="circle-mobile"><span>&bull;</span></div>
</div>

Answer 1

Flexbox 可以做到这一点：

.circle {
  width: 15px;
  height: 15px;
  border: 1px #d3d4de solid;
  margin: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle-line {
  width: 1px;
  background-color: #d3d4de;
  height: 191px;
  margin: auto;
}
.circle {
  width: 15px;
  height: 15px;
  border: 1px #d3d4de solid;
  margin: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
#round-vertically {
  padding-top: 95px;
}
#round-vertically SPAN {
  color: #d3d4de;
  text-align: center;
  font-size: 30px;
}
.circle {
  border-radius: 50%;
}

<div class="round" id="round-vertically">

  <div class="circle img1" id="circle-star"><span>&bull;</span>
  </div>
  <div class="circle-line"></div>
  <div class="circle img2" id="circle-key"><span>&bull;</span>
  </div>
  <div class="circle-line"></div>
  <div class="circle img3" id="circle-cursor"><span>&bull;</span>
  </div>
  <div class="circle-line"></div>
  <div class="circle img4" id="circle-mobile"><span>&bull;</span>
  </div>


</div>

Answer 2

不要使用字符，通过css创建：

HTML:

<div class="eye"></div>

CSS:

.eye{
  border: 2px solid red;
  border-radius: 100%;
  position: relative;
  width: 2em; height: 2em;
}
.eye::before{
  content: "";
  display: block;
  position: absolute;
  width: 1em; height: 1em;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: red;
  border-radius: 100%;
}

http://codepen.io/anon/pen/ZOaBKg

Answer 3

在class'circle'中添加text-align:center。使用 line-height 属性 line-height: 50%。请参阅以下代码段：

.circle-line {
  width: 1px;
  background-color: #d3d4de;
  height: 191px;
  margin: auto;
}

.circle {  
  width: 15px;
  height: 15px;
  border:1px #d3d4de solid;
  margin: auto;
  text-align: center;
}
#round-vertically {
  padding-top:95px;

}
#round-vertically SPAN {
  color: #d3d4de;

  font-size:30px;
  line-height: 50%
}
.circle {
  border-radius: 50%;
}

<div class="round" id="round-vertically">

     <div class="circle img1" id="circle-star"><span>&bull;</span></div>
     <div class="circle-line"></div>
     <div class="circle img2" id="circle-key"><span>&bull;</span></div>
     <div class="circle-line"></div>
     <div class="circle img3" id="circle-cursor"><span>&bull;</span></div>
     <div class="circle-line"></div>
     <div class="circle img4" id="circle-mobile"><span>&bull;</span></div>
     

    </div>

Answer 4

一种方法是使用翻译 css 属性

#round-vertically   SPAN {
color: #d3d4de;
font-size:30px;
left: 50%;
position: absolute;
font-size: 30px;
top: 50%;
transform: translate(-50%,-50%);
}

已更新fiddle

Answer 5

您可以试试下面的代码：

Working demo

.circle {  
    width: 15px;
    height: 15px;
    border:1px #d3d4de solid;
    margin: auto;
    position:relative;

}
#round-vertically   SPAN {
  color: #d3d4de;
  text-align:center;
  font-size:30px;
  position:absolute;
  top:50%; left:50%;
  transform: translate(-50%, -50%);
}

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