body {
  margin: 0;
  padding: 0;
  width:100vw;
  height: 100vh;
  background-color: #eee;
}
.content {
  display: flex;
  justify-content: center;
  align-items: center;
  width:100%;
  height:100%;
}
.function:nth-child(1) .property-name {
  background-image: url('https://cdn4.iconfinder.com/data/icons/6x16-free-application-icons/16/Radiation.png');
  background-repeat: no-repeat;
  background-position: right;
  background-color: gray;
  color: yellow;
}

.function:nth-child(2) .property-name {
  background-image: url('https://cdn4.iconfinder.com/data/icons/6x16-free-application-icons/16/OK.png');
  background-repeat: no-repeat;
  background-position: center;
  background-color: teal;
  color: aqua;
}

.function:nth-child(3) .property-name {
  background-image: url('https://cdn4.iconfinder.com/data/icons/6x16-free-application-icons/16/In-yang.png');
  background-repeat: no-repeat;
  background-position: left;
  background-color: pink;
  color: red;
  text-align: right;
}