#social-bar {
  position: fixed;
  top:0;
  bottom:0;
  margin:auto;
  left:0;
  height:-webkit-fit-content;
  height:-moz-fit-content;
  height:fit-content;
}
#social-bar a {
  display: block;
  text-align: center;
  -webkit-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
  padding:15px;

  font-size: 20px;
  text-decoration:none;
  color: white;
}
#social-bar a:hover {
  opacity:0.8;
}
.facebook {
  background: #3B5998;
}
.twitter {
  background: #55ACEE;

}
.linkedin {
  background: #3985DD;

}
.instagram {
  background: #dd2a7b;

}
.youtube {
  background: #bb0000;

}

@media screen and (max-width:700px){
  #social-bar a {
    padding:8px;
  }
}