*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #0f0f0f;
  }
  .sm a{
    display: inline-flex;
    text-decoration: none;
    font-size: 36px;
    width: 60px;
    height: 60px;
    color: #f0f0f0;
    justify-content: center;
    align-items: center;
    position: relative;
    margin: 0 7px;
  }
  .sm a::before{
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 25%;
    z-index: -1;
    transition: transform .3s ease-in;
  }
  .sm a:nth-child(1)::before{
    background: #000000;
  }
  .sm a:nth-child(2)::before{
    background: linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
  }
  .sm a:nth-child(3)::before{
    background: #1ab55a;
  }
  .sm a:nth-child(4)::before{
    background: #f70000;
  }
  .sm a:nth-child(5)::before{
    background: #046596;
  }
  .sm a:hover::before{
    transform: scale(0);
  }
  .sm a i{
    transition: transform .3s ease-in;
  }
  .sm a:nth-child(1):hover i{
    background: #000002;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: scale(1.5);
  }
  .sm a:nth-child(2):hover i{
    background: linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: scale(1.5);
  }
  .sm a:nth-child(3):hover i{
    background: #1ce967;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: scale(1.5);
  }
  .sm a:nth-child(4):hover i{
    background: #f70000;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: scale(1.5);
  }
  .sm a:nth-child(5):hover i{
    background: #046596;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: scale(1.5);
  }