style.css

body {
    background-color: #141414;
	background-image: url('bg.png');
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    height: 100%;
    font-family: 'Lato', Helvetica, arial, sans-serif;
    font-weight: 300;
    font-size: 20px;
    line-height: 1.45;
    color: #eee;
    color: rgba(255, 255, 255, .85);
}

#container {
    padding-top: 50px;
}

#content {
    max-width: 43em;
    padding: 10px;
    margin: 0 auto;
}

h1 {
    font-size: 4.8em;
    font-weight: 100;
    text-transform: uppercase;
    margin: 0;
}

h3 {
    font-size: 2.4em;
    font-weight: 300;
    line-height: 1.5;
}

p,
li {
    font-size: 1.7em;
}

a {
    font-weight: 700;
    text-decoration: none;
    color: #fff;
}

a:hover {
    text-decoration: underline;
}

p#pleft {
    max-width: 20em;
    float: left;
}

p#pright {
    max-width: 20em;
    float: left;
}

ul {
    clear: both;
}


html {
    font-size: 62.5%;
}

body {
    font-size: 1em;
}

/* PYRAMID CODE */
.stage {
    -webkit-transform: scale(1.85);
    transform: scale(0.85);
    float: right;
    margin-right: 120px;
    margin-top: 30px;
    width: 0px;
    height: 0px;

    position: relative;
    -webkit-perspective: 1200px;
    -webkit-perspective-origin: 50% 50%;
    perspective: 1200px;
    perspective-origin: 50% 50%;
}

.pyramid3d {
    position: relative;
    width: 150px;
    height: 150px;

    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transform: rotateX(75deg) rotate(65deg);
    transform: rotateX(75deg) rotate(65deg);
    -webkit-animation: turnPyramid 10s linear infinite;
    animation: turnPyramid 10s linear infinite;
}

.triangle {
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    width: 0;
    height: 0;
    background: none;
}

.triangle:before {
    content: "";
    position: absolute;
    height: 0;
    width: 0;
    border-style: solid;
    border-width: 176px 75px 0 75px;
}

.side1 {
    -webkit-transform: translatex(0) rotatey(115.2deg) rotatez(90deg);
    transform: translatex(0) rotatey(115.2deg) rotatez(90deg);
}

.side2 {
    -webkit-transform: translatex(150px) rotatez(90deg) rotatex(64.8deg);
    transform: translatex(150px) rotatez(90deg) rotatex(64.8deg);
}

.side3 {
    -webkit-transform: translatez(0) rotatex(64.8deg);
    transform: translatez(0) rotatex(64.8deg);
}

.side4 {
    -webkit-transform: translatey(150px) rotatex(115.2deg);
    transform: translatey(150px) rotatex(115.2deg);
}

.side1:before {
    border-color: rgba(115, 115, 0, 0.3) transparent transparent transparent;
}

.side2:before {
    border-color: rgba(20, 90, 225, 0.3) transparent transparent transparent;
}

.side3:before {
    border-color: rgba(255, 0, 0, 0.3) transparent transparent transparent;
}

.side4:before {
    border-color: rgba(0, 255, 255, 0.3) transparent transparent transparent;
}


@-webkit-keyframes turnPyramid {
    100% {
        -webkit-transform: rotateX(75deg) rotate(425deg);
    }
}

@keyframes turnPyramid {
    100% {
        transform: rotateX(75deg) rotate(425deg);
    }
}

@media (max-width: 300px) {
    html {
        font-size: 70%;
    }

    .stage {
        -webkit-transform: scale(0.05);
        transform: scale(0.05);
    }
}

@media (max-width: 440px) {
    h1 {
        line-height: 55px;
    }
}

@media (max-width: 460px) {
    .stage {
        position: absolute;
        top: 25px;
        left: 50%;
        margin-left: -45px;
    }

    h1 {
        margin-top: 50px;
        text-align: center;
    }
}

@media (max-width:600px) {
    .stage {
        -webkit-transform: scale(0.55);
        transform: scale(0.55);
        margin-right: 60px;
    }
}

@media (min-width: 600px) {
    html {
        font-size: 80%;
    }

    .stage {
        -webkit-transform: scale(0.68);
        transform: scale(0.68);
        margin-right: 80px;
    }
}

@media (min-width: 880px) {
    html {
        font-size: 120%;
    }

    p,
    li {
        font-size: 1em;
    }

    p#pright {
        margin-left: 3em;
    }

    .stage {
        -webkit-transform: scale(0.85);
        transform: scale(0.85);
        margin-right: 120px;
    }
}