* {
    margin: 0;
    padding: 0;
    list-style: none;
    font-weight: normal;
}

h1 {
    font-family: arial, sans-serif;
    text-align: center;
    width: 800px;
    margin: 1em auto;
}

#slider {
    width: 900px;
    height: 500px;
    position: relative;
    overflow: hidden;
    background: #666;
    margin: 1em auto;
}

#slider-wrapper {
    width: 99999px;
    height: 100%;
    position: relative;
}

#slider-wrapper .slide {
    height: 100%;
    float: left;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: cover;
    opacity: 0;
    position: relative;
}

#slider-wrapper .slide-image {
    display: block;
    max-width: 100%;
    height: auto;
    opacity: 0;
}

#slider-loader {
    position: absolute;
    width: 12px;
    height: 12px;
    top: 50%;
    left: 50%;
    border-radius: 12px;
    animation: loader10m 3s ease-in-out infinite;
    margin: -6px 0 0 -6px;
}

#slider-loader:before {
    content: '';
    position: absolute;
    top: 0px;
    left: -25px;
    height: 12px;
    width: 12px;
    border-radius: 12px;
    animation: loader10g 3s ease-in-out infinite;
}

#slider-loader:after {
    content: '';
    position: absolute;
    top: 0px;
    left: 25px;
    height: 10px;
    width: 10px;
    border-radius: 10px;
    animation: loader10d 3s ease-in-out infinite;
}

@keyframes loader10g {
    0% {
        background-color: rgba(255, 255, 255, .2);
    }
    25% {
        background-color: rgba(255, 255, 255, 1);
    }
    50% {
        background-color: rgba(255, 255, 255, .2);
    }
    75% {
        background-color: rgba(255, 255, 255, .2);
    }
    100% {
        background-color: rgba(255, 255, 255, .2);
    }
}

@keyframes loader10m {
    0% {
        background-color: rgba(255, 255, 255, .2);
    }
    25% {
        background-color: rgba(255, 255, 255, .2);
    }
    50% {
        background-color: rgba(255, 255, 255, 1);
    }
    75% {
        background-color: rgba(255, 255, 255, .2);
    }
    100% {
        background-color: rgba(255, 255, 255, .2);
    }
}

@keyframes loader10d {
    0% {
        background-color: rgba(255, 255, 255, .2);
    }
    25% {
        background-color: rgba(255, 255, 255, .2);
    }
    50% {
        background-color: rgba(255, 255, 255, .2);
    }
    75% {
        background-color: rgba(255, 255, 255, 1);
    }
    100% {
        background-color: rgba(255, 255, 255, .2);
    }
}

#slider-loader-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 5px;
    background: #dc0000;
}

#slider-previous,
#slider-next {
    width: 64px;
    height: 64px;
    position: absolute;
    text-indent: -99999em;
    z-index: 1000;
    opacity: 0;
    background-repeat: no-repeat;
    background-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/41203/slider-nav-sprite.png);
    top: 50%;
    margin-top: -32px;
}

#slider-previous {
    left: 1em;
}

#slider-next {
    right: 1em;
    background-position: 100% 0;
}

.lien1 {
    width: 230px;
    height: 100px;
    display: block;
    position: absolute;
    background: #ff4949;
    opacity: 0.5;
    top: 50px;
    left: 500px;
}

.lien2 {
    width: 230px;
    height: 100px;
    display: block;
    position: absolute;
    background: #499dff;
    opacity: 0.5;
    top: 50px;
    left: 200px;
}