.post-share svg {
    -webkit-transition: all .3s ease-in-out;
    -moz-transition:    all .3s ease-in-out;
    -o-transition:      all .3s ease-in-out;
    -ms-transition:     all .3s ease-in-out;
    transition:         all .3s ease-in-out;
    transform: scale(1);
}

.post-share svg:hover {
    -webkit-transition: all .3s ease-in-out;
    -moz-transition:    all .3s ease-in-out;
    -o-transition:      all .3s ease-in-out;
    -ms-transition:     all .3s ease-in-out;
    transition:         all .3s ease-in-out;
    transform: scale(1.1);
}