.header{overflow:hidden}.header a{float:left;color:#000;text-align:center;padding:12px;text-decoration:none;font-size:18px;line-height:25px;border-radius:4px}.header-right{float:right}@media screen and (max-width:500px){.header a{float:none;display:block;text-align:left}.header-right{float:none}}.tapa{position:absolute;top:0;left:0;display:block;background-color:rgba(0,0,0,.65);height:220px;padding:10px;color:#fff;font-size:1rem;text-align:center;visibility:hidden}@media screen and (max-width:2600px){.project img{height:280px}}@media screen and (max-width:800px){.project img{height:200px}}.project img,a{float:center!important;width:100%}.tapa h1{font-size:2rem}