html {
    background: #e6e9e9;
    background-image: linear-gradient(270deg, rgb(230, 233, 233) 0%, rgb(216, 221, 221) 100%);
    -webkit-font-smoothing: antialiased;
}
header{
    width: auto;
    height: auto;
    color: #38517B;
    font-weight: 600;
    line-height: 2;
    }
body {
    background: #fff;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.06);
    color: #595a5c;
    font-family: "interstate extra light", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    margin: 0 auto;
    max-width: 800px;
    padding: 4em 2em 4em;
}
h1, h2, h3, h4, h5 {
    color: #595A5C;
    font-weight: 600;
    line-height: 1.3;
    margin: auto;
    max-height: inherit;
}
h2{
    margin-left: 4em;
}
h4{
    margin-left: 5em;
}
a {
    color: #808184;
}
b, strong {
    font-weight: 600;
}
samp {
    display: none;
}
img {
    animation: colorize 2s cubic-bezier(0, 0, .78, .36) 1;
    background: transparent;
    border: 0px solid rgba(0, 0, 0, 0.12);
    border-radius: 4px;
    display: block;
    margin: 1.3em auto;
    max-width: 95%;
}
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%;
}
footer{
    color: #38517B;
    width: auto;
    height:auto;
    margin: 0 auto;
    font-weight: 600;
    line-height: 2;
}
@keyframes colorize {
    0% {
        -webkit-filter: grayscale(100%);
        filter: grayscale(100%);
    }
    100% {
        -webkit-filter: grayscale(0%);
        filter: grayscale(0%);
    }
}