html,
body {
    position: relative;
    height: 100%;
}

body {
    background: #eee;
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #000;
    margin: 0;
    padding: 0;
}

h1 {
    width: 50%;
    margin: 1em auto;
    text-align: center;
    background: #000;
    color: #fff;
    border-radius: 25px;
}

.ContAll {
    width: 80%;
    margin: 2em auto;
    border: 2px solid #999;
    background: #000;
    padding: 1em;

}

.swiper-container {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 50px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide-img {
    width: 90%;
}