aligning icons vertically rather than horizontally css code example

Example 1: inline block align center

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

.child {
  display: inline-block;
}

Example 2: position an icon in relation a parent element

.container {
  position: relative;
  min-height: 100vh;
}
.vertical-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}