.slider {
    position: relative;
}
#slider {
    position: relative;
    overflow: hidden;
    width: 100% !important;
}
#slider ul {
    position: relative;
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 99999px;
    overflow: hidden;
    list-style: none;
}
#slider ul li {
    position: relative;
    display: block;
    float: left;
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    text-align: center;
}
#slider ul li .slide {
    background-size: cover;
    height: 100vh;
}
button.control_prev, button.control_next {
    position: absolute;
    top: 50%;
    z-index: 10;
    display: block;
    border: none;
    width: 2em;
    height: 2em;
    line-height: 1.9em;
    background: rgba(255, 255, 255, .30);
    color: #fff;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    font-size: 2rem;
    opacity: 0.8;
    cursor: pointer;
    border-radius: 50%;
    transform: translateY(-50%);
}
button.control_prev:focus, button.control_next:focus {
    outline: none;
    border: 1px rgba(255, 255, 255, .5) solid;
}
button.control_prev:hover, button.control_next:hover {
    opacity: 1;
    -webkit-transition: all 0.2s ease;
}
button.control_prev {
    left: 2rem;
}
button.control_next {
    right: 2rem;
}
.progress {
    position: absolute;
    background: rgba(255, 255, 255, .3);
    height: 0.5rem;
    width: 100%;
    bottom: 0;
    border-top: 1px rgba(0, 0, 0, .15) solid;
}
.progress .bar {
    height: 100%;
    width: 0%;
    background: #fff;
}
.teaser {
    position: absolute;
    top: 50%;
    text-align: center;
    width: 100%;
    color: #fff;
    transform: translateY(-50%);
}
.teaser h2 {
    font-size: 4em;
    text-transform: uppercase;
    line-height: 1.5em;
    color: #fff;
}
.teaser p {
    font-size: 1.8em;
    line-height: 1.3em;
    min-width: 25rem;
    margin: 0rem auto;
    padding: 1.5rem 0;
}
.teaser h3 {
    width: 66%;
    padding: 1.5rem 0;
    margin: 0rem auto;
    min-width: 25rem;
    color: #fff;

}
.teaser a {
    margin-left: 0.5rem;
    margin-right: 0.5rem;
}