.mce-toolbar .mce-i-smiley {
background: url(//shesjustafriend.com/wp-includes/images/smilies/simple-smile.png) no-repeat 50% 50%;
background-size: contain;
}
.mce-smily .mce-grid div {
font-size: 24px;
line-height: 1;
text-align: center;
width: 1em;
height: 1em;
padding: 3px;
border: 0;
border-radius: 1px;
cursor: pointer;
}
.mce-smily .mce-grid div:hover {
background: #b4b9be;
}
.mce-smily .mce-grid img {
font-size: inherit;
width: 1em;
height: 1em;
vertical-align: top;
}