.overlay{position:fixed;width:100%;height:100%;top:0;left:0;background:rgba(153,204,51,.9)}.overlay .overlay-close{position:absolute;right:30px;top:30px;overflow:hidden;border:none;background:url(../index-2.html) no-repeat center center;text-indent:200%;color:transparent;outline:none;z-index:100}.overlay nav{text-align:center;position:relative;top:50%;height:60%;font-size:54px;-webkit-transform:translateY(-50%);transform:translateY(-50%)}.overlay ul{list-style:none;padding:0;margin:0 auto;display:inline-block;height:100%;position:relative}.overlay ul li{display:block;height:20%;height:calc(100% / 5);min-height:54px}.overlay ul li a{font-weight:300;display:block;color:#fff;-webkit-transition:color 0.2s;transition:color 0.2s}.overlay ul li a:hover,.overlay ul li a:focus{color:#e3fcb1}.overlay-hsl{opacity:0;visibility:hidden;-webkit-transition:opacity 0.5s,visibility 0s 0.5s;transition:opacity 0.5s,visibility 0s 0.5s}.overlay-hsl.open{opacity:1;visibility:visible;-webkit-transition:opacity 0.5s;transition:opacity 0.5s}.overlay-hsl nav{-webkit-perspective:1200px;perspective:1200px}.overlay-hsl nav ul{opacity:.4;-webkit-transform:translateY(-25%) rotateX(35deg);transform:translateY(-25%) rotateX(35deg);-webkit-transition:-webkit-transform 0.5s,opacity 0.5s;transition:transform 0.5s,opacity 0.5s}.overlay-hsl.open nav ul{opacity:1;-webkit-transform:rotateX(0deg);transform:rotateX(0deg)}.overlay-hsl.close nav ul{-webkit-transform:translateY(25%) rotateX(-35deg);transform:translateY(25%) rotateX(-35deg)}@media screen and (max-height:30.5em){.overlay nav{height:70%;font-size:34px}.overlay ul li{min-height:34px}}