body {
    margin: 0;
    padding: 0;
    background: #eee;
}
.share-words {
    display: none;
    position: relative;
    border: none;
    margin: 0 auto;
    width: 300px;
    text-align: center;
    font-family: Calibri;
    color:#1b1919;
}
.circle {
    position: relative;
    margin-top: 10px;
    left: 50%;
    transform: translate(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgb(81,122,62);
}

.circle .share {
    position: relative;
    width: 100%;
    height: 100%;
    line-height: 50px;
    text-align: center;
    background: transparent;
    border-radius: 50%;
    z-index: 1;   
}
.circle .share:hover {
    box-shadow: 0 0 0 2px rgb(81,122,62);
    transition: .5s;
    transform: scale();
}
.share .fa {
    color: #1c1c2c;
}
.circle ul {
    position: absolute;
    top: -50px;
    left: -50px;
    margin: 0;
    padding: 0;
    width: 150px;
    height: 150px;
    background: transparent;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgb(81,122,62), 0 0 0 4px #ccc;
    transition: 1s;
    transform: scale(0) rotate(-720deg);
    z-index: -1;
    cursor:pointer;
}
.circle:hover ul {
    transform: scale(1) rotate(0deg);
    background: rgba(0,0,0,.8);
}
.circle ul li {
    position: absolute;
    list-style: none;
}
.circle ul li:nth-child(1) {
    top: 15px;
    left:  50%;
    transform: translateX(-50%); 
}
.circle ul li:nth-child(2) {
    bottom: 15px;
    left:  50%;
    transform: translateX(-50%); 
}
.circle ul li:nth-child(3) {
    top: 50%;
    left: 15px;
    transform: translateY(-50%); 
}
.circle ul li:nth-child(4) {
    top: 50%;
    right: 15px;
    transform: translateY(-50%); 
}
.circle ul li .fa {
    transition: .5s;
    color: rgb(81,122,62);
}
.circle ul li:hover a .fa {
     transform: scale(1.5);
}