* {
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  font-family: arial;
}

body {
  background: #404040;
  padding: 0;
  margin: 0;
  text-align: center;
  font-family: arial;
  color: #fff;
}

/*=====================*/
.social-nav {
    padding: 0;
    list-style: none;
    display: inline-block;
    position: absolute;
    left: 0;
    right: 0;
    top: 75%;
    margin: auto;
}
.social-nav li {
  display: inline-block;
}
.social-nav a {
  display: inline-block;
  float: left;
  width: 32px;
  height: 32px;
  font-size: 18px;
  color: #FFF;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
  line-height: 32px;
  background: #000;
  position: relative;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.trk-social-icon li {
  margin: 0 10px;
}
.trk-social-icon a {
  background: none;
  -moz-box-shadow: 0 0 4px 3px;
  -webkit-box-shadow: 0 0 4px 3px;
  box-shadow: 0 0 4px 3px;
  text-shadow: 0 0 1px #933;
  -moz-transition: -moz-transform 0.4s, background 0.4s;
  -o-transition: -o-transform 0.4s, background 0.4s;
  -webkit-transition: -webkit-transform 0.4s, background 0.4s;
  transition: transform 0.4s, background 0.4s;
  -moz-border-radius: 100%;
  -webkit-border-radius: 100%;
  border-radius: 100%;
}
.trk-social-icon a .fa {
  -moz-transition: -moz-transform .51s;
  -o-transition: -o-transform .51s;
  -webkit-transition: -webkit-transform .51s;
  transition: transform .51s;
}
.trk-social-icon a:hover {
  background: #fff;
}
.trk-social-icon a:hover .fa {
  -moz-transform: rotate(-10deg) scale(2);
  -ms-transform: rotate(-10deg) scale(2);
  -webkit-transform: rotate(-10deg) scale(2);
  transform: rotate(-10deg) scale(2);
}
.trk-social-icon .twitter {
  color: #00ACED;
}
.trk-social-icon .facebook {
  color: #3B579D;
}
.trk-social-icon .google-plus {
  color: #DD4A3A;
}
.trk-social-icon .linkedin {
  color: #007BB6;
}
.trk-social-icon .pinterest {
  color: #CB2026;
}



.trk-social-icon .envelope {
  color: #FFF;
   width: 48px;
  height: 48px;
  font-size: 21px;
  line-height: 48px;
}