.file-plus img {
    transition-duration: .2s;
    background: #fff;
    border: 1px solid #ccc;
}

.file-plus img:hover {
    opacity: 0.8;
}

.file-plus-center {
    text-align: center;
}

.file-plus-center img {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: .4em;
}

.file-plus .file-plus-title{
    font-size: 1.4rem;
}