main.css

html {
    background: Black;
    -webkit-font-smoothing: antialiased;
}

body {
    color: #545454;
    font-family:  'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    margin: 0 auto;
    max-width: 960px;
    padding: 2em 2em 4em;
}

h2 {
    color: white;
    font-weight: 600;
    line-height: 1.3;
}


h2 {font-weight: 400;
    margin-top: 1.3em;
}

a {
    color: white;
   text-decoration: none;
    font-style: oblique;
}
a:hover {
    color: deepskyblue;
}

b, strong {
    font-weight: 600;
}

samp {
    display: none;
}

img {
    animation: colorize 2s cubic-bezier(0, 0, .78, .36) 1;
    background: transparent;
    border: 10px solid rgba(0, 0, 0, 0.12);
    border-radius: 4px;
    display: block;
    margin: 1.3em auto;
    max-width: 95%;
}

#wrap {
    clear:both;
}

#wrap:after {
  content: "";
  display: table;
  clear: both;
}

section{
    color: lightgray;
    float:left;
    width:70%;
}

aside{
    color: lightgray;
    float:left;
    font-size: 13px;
    width:20%;
    margin-right:9%;

}

@keyframes colorize {
    0% {
        -webkit-filter: grayscale(100%);
        filter: grayscale(100%);
    }
    100% {
        -webkit-filter: grayscale(0%);
        filter: grayscale(0%);
    }
}