@keyframes blink {
    0% { opacity: 1; }
    25% { opacity: 0; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}
@-webkit-keyframes blink {
    0% { opacity: 1; }
    25% { opacity: 0; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}
@-ms-keyframes blink {
    0% { opacity: 1; }
    25% { opacity: 0; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}
@-moz-keyframes blink {
    0% { opacity: 1; }
    25% { opacity: 0; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}
.prompt, .command {
    color: #ccc; /* #0c0 */
    text-shadow: 0 0 3px rgba(0,100,0,50);
}
.cursor {
    background: #0c0;
    animation: blink 1s linear infinite;
    -webkit-animation: blink 1s infinite linear;
    -ms-animation: blink 1s infinite linear;
    -moz-animation: blink 1s infinite linear;
    -webkit-box-shadow: 0 0 5px rgba(0,100,0,50);
    -moz-box-shadow: 0 0 5px rgba(0,100,0,50);
    -ms-box-shadow: 0 0 5px rgba(0,100,0,50);
    -o-box-shadow: 0 0 5px rgba(0,100,0,50);
    box-shadow: 0 0 5px rgba(0,100,0,50);
}

body {
    margin: 0px;
}