.item{margin:10px 0 10px 10px}.btn{position:relative;display:inline-block;box-sizing:border-box;margin:0;padding:0;line-height:1.4;text-align:center;border-radius:8px;cursor:pointer;transition:opacity .2s;-webkit-appearance:none;color:#fff;background-color:#1e8dff;border:1px solid #1e8dff;height:48px;padding:0 32px;font-size:16px}.btn:before{position:absolute;top:50%;left:50%;width:100%;height:100%;background-color:#0f6dd9;border:inherit;border-color:#0f6dd9;border-radius:inherit;transform:translate(-50%,-50%);opacity:0;content:" "}