html {
    background-image: url("bells.jpeg");
    background-repeat: repeat;
}

body {
    margin: 0 auto;
    max-width: 800px;
    font-family: "Helvetica Neue", Helvetica, Arial, Comic Sans fantasy;
    font-size: 16px;
    line-height: 1.5em;
    color: #100001;
    background-color: #FF0000;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.06);  
}

h1, h2, h3, h4, h5, h6 {
    color: green;
    font-weight: 600; 
    line-height: 1.3em;
}

h2 { 
    margin-top: 1.3em;
}

a {
    color: #7D26CD;
}

b, strong {
    font-weight: 600;
}

samp {
    display: none;
}

img {
    -webkit-animation: colorize 2s cubic-bezier(0, 0, .78, .36) 1;
    animation: colorize 2s cubic-bezier(0, 0, .78, .36) 1;
    background: green;
    border: 3px solid rgba(0, 0, 0, 0.12);
    border-radius: 10px;
    display: block;
    margin: 1.3em auto;
    max-width: 115%;
} 

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

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