sm.css

body {
    background-image: url("bg.jpg");
    background-repeat: no-repeat;
    background-size: 100%;
}
h1 {
  text-align: center;
  font-size: 68px;
  font-family: monospace;
  color:black;
  letter-spacing: 25px;
  font-family: 'Montserrat', sans-serif;

}
.social-menu ul {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 0;
    margin: 0;
    display: flex;
}
.social-menu ul li {
    list-style: none;
    margin: 0 10px;
}
.social-menu ul li .fa {
    color: #000000;
    font-size: 25px;
    line-height: 100px;
    transition: .5s;
}
.social-menu ul li .fa:hover {
    color: #ffffff;
}
.social-menu ul li a {
    position: relative;
    display: block;
    width: 100px;
    height: 100px;
    border-radius: 75%;
    background-color: white;
    text-align: center;
    transition: 0.5s;
    transform: translate(0,0px);
    box-shadow: 0px 7px 5px rgba(0, 0, 0, 0.5);
}
.social-menu ul li a:hover {
    transform: rotate(0deg) skew(0deg) translate(0, -10px);
}
.social-menu ul li:nth-child(1) a:hover {
    background-color: #3b5998;
}
.social-menu ul li:nth-child(2) a:hover {
    background-color: #fbad50;
}
.social-menu ul li:nth-child(3) a:hover {
    background-color: #c4302B;
}
.social-menu ul li:nth-child(4) a:hover {
    background-color: #0077b5;
}
.social-menu ul li:nth-child(5) a:hover {
    background-color: #4078c0;
}
.social-menu ul li:nth-child(6) a:hover {
    background-color: #00acee;
}