html,
body {
  height: 100%;
}

html {
  box-sizing: border-box;
}

body {
  background-color: #ecf0f1;
  min-width: 300px;
  font-family: "Open Sans", sans-serif;
  font-size: 16px;
}

h1, h2, h3, h4, h5 {
  display: block;
  font-weight: 400;
}

li, span, p, a, h1, h2, h3, h4, h5 {
  line-height: 1;
}

p {
  display: block;
}

a {
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

button {
  background-color: transparent;
  border: 0;
  cursor: pointer;
}
.social-btns .btn,
.social-btns .btn:before,
.social-btns .btn .fas {
  transition: all 0.35s;
  transition-timing-function: cubic-bezier(0.31, -0.105, 0.43, 1.59);
}
.social-btns .btn:before {
  top: 90%;
  left: -110%;
}
.social-btns .btn .fas {
  transform: scale(0.8);
}
.social-btns .btn.fascebook:before {
  background-color: #3b5998;
}
.social-btns .btn.fascebook .fas {
  color: #3b5998;
}
.social-btns .btn.twitter:before {
  background-color: #3cf;
}
.social-btns .btn.twitter .fas {
  color: #3cf;
}
.social-btns .btn.host:before {
  background-color: #dc4a38;
}
.social-btns .btn.host .fas {
  color: #dc4a38;
}
.social-btns .btn.crm:before {
  background-color: #f26798;
}
.social-btns .btn.crm .fas {
  color: #f26798;
}
.social-btns .btn.compta:before {
  background-color: #00aff0;
}
.social-btns .btn.compta .fas {
  color: #00aff0;
}
.social-btns .btn:focus:before,
.social-btns .btn:hover:before {
  top: -10%;
  left: -10%;
}
.social-btns .btn:focus .fas,
.social-btns .btn:hover .fas {
  color: #fff;
  transform: scale(1);
}
.wrapper{
  margin: auto;
  text-align: center;
  position: absolute;
  top:150px;
  bottom: 0;
  left: 0;
  right: 0;
}
.social-btns {
  height: 90px;
  font-size: 0;
}
.social-btns .btn {
  display: inline-block;
  background-color: #fff;
  width: 90px;
  height: 90px;
  line-height: 90px;
  margin: 0 10px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: 28%;
  box-shadow: 0 5px 15px -5px rgba(0,0,0,0.1);
  opacity: 0.99;
}
.social-btns .btn:before {
  content: '';
  width: 120%;
  height: 120%;
  position: absolute;
  transform: rotate(45deg);
}
.social-btns .btn .fas {
  font-size: 38px;
  vertical-align: middle;
}