image loader line

slidershow countdown line

HTML

<div id="loader"></div>

CSS

body { margin: 15px; }
#loader {
    width: 1px;
    height: 5px;
    background: #333;
    /* prefix: name time time-iteration-count timing-function */
    -webkit-animation: loader 5s infinite linear;
}
@-webkit-keyframes loader {
    0%   { width: 100%; }
    100% { width: 0%; }
}