/* https://www.toptal.com/developers/cssminifier */
.column,.row{padding:0 4px}.row{display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap}.column{-ms-flex:50%;flex:25%}.column img{margin-top:8px;vertical-align:middle;width:100%}.btn{border:none;outline:0;padding:10px 16px;background-color:#f1f1f1;cursor:pointer;font-size:18px}.btn:hover{background-color:#ddd}.btn.active{background-color:#666;color:#fff}@media screen and (max-width:1000px){.column{-ms-flex:50%;flex:50%;max-width:50%}}@media screen and (max-width:600px){.column{-ms-flex:100%;flex:100%;max-width:100%}}