.fa-facebook-square{
 color:#000000;
 -webkit-transition: color 0.4s;
 transition: color 0.4s;
}
.fa-facebook-square:hover{
 color:#3b5998;
}
.fa-twitter-square{
 color:#000000;
 -webkit-transition: color 0.4s;
 transition: color 0.4s;
}
.fa-twitter-square:hover{
 color:#55acee;
}
.fa-google-plus-square{
 color:#000000;
 -webkit-transition: color 0.4s;
 transition: color 0.4s;
}
.fa-google-plus-square:hover{
 color:#dd4b39;
}
.fa-linkedin-square{
 color:#000000;
 -webkit-transition: color 0.4s;
 transition: color 0.4s;
}
.fa-linkedin-square:hover{
 color:#2d8af2;
}