.collateral-cover a:before {background-color: transparent !important;}
.file-box{text-align:center;transition: all .5s ease-in-out; text-wrap: wrap;}
.file-box a:before {background-color: #fff; height:0;}
.file-box img{border:1px solid #eee; height:150px;}
.file-name{font-size: 15px; margin:10px 0;line-height: normal;min-height: 40px;}
.download-btn {text-align: center;}
.download-btn i{font-size:40px;}
@media screen and (max-width: 500px){
    .file-box {width: 50%;}
    }