SOURCE

<div class='box1'>
  <div class='dot'></div>
</div>

<div class='box2'>
  <div class='dot'></div>
   <div class='dot'></div>
</div>

<div class='box3'>
  <div class='dot'></div>
   <div class='dot'></div>
  <div class='dot'></div>
</div>

<div class='box4'>
  <div class='column'>
    <div class='dot'></div>
   <div class='dot'></div>
  </div>
   <div class='column'>
    <div class='dot'></div>
   <div class='dot'></div>
  </div>
</div>

<div class='box5'>
  <div class='column'>
    <div class='dot'></div>
    <div class='dot'></div>
  </div>
  <div class='column'>
    <div class='dot'></div>
  </div>
   <div class='column'>
   <div class='dot'></div>
     <div class='dot'></div>
  </div>
</div>


<div class='box6'>
  <div class='column'>
    <div class='dot'></div>
   <div class='dot'></div>
    <div class='dot'></div>
  </div>
   <div class='column'>
    <div class='dot'></div>
   <div class='dot'></div>
     <div class='dot'></div>
  </div>
</div>

.box1{
  display: flex;
  justify-content: center;
  align-items: center;
}

.box2{
  display: flex;
  justify-content: space-between;
}
.box2 .dot:nth-of-type(2) {
  align-self: flex-end;
}

.box3{
  display: flex;
  justify-content: space-between;
}
.box3 .dot:nth-of-type(2) {
  align-self: center;
}
.box3 .dot:nth-of-type(3) {
  align-self: flex-end;
}

.box4, .box6{
  display: flex;
  justify-content: space-between;
}
.box4 .column, .box6 .column{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.box5{
  display: flex;
  justify-content: space-between;
}
.box5 .column{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.box5 .column:nth-of-type(2){
  display: flex;
  flex-direction: column;
  justify-content: center;
}


[class*=box] {
  margin: 16px;
  padding: 4px;
  
  background-color: #e7e7e7;
  width: 104px;
  height: 104px;
  object-fit: contain;
  
  box-shadow:
    inset 0 5px white, 
    inset 0 -5px #bbb,
    inset 5px 0 #d7d7d7, 
    inset -5px 0 #d7d7d7;
  
  border-radius: 10%;
}
.dot{
  width: 24px;
  height: 24px;
  border-radius: 50%;
  margin: 4px;
  background-color: #333;
}



body {
  display: flex;
  align-items: center;
  justify-content: center;
  vertical-align: center;
  flex-wrap: wrap;
  align-content: center;
  font-family: 'Open Sans', sans-serif;
  
  background: linear-gradient(top, #222, #333);
}