index.css

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

body {
  background: rgb(2,0,36);
  background: radial-gradient(circle, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 21%, rgba(51,51,131,1) 56%, rgba(49,49,131,1) 76%, rgba(62,120,131,1) 100%);
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #000;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
    justify-content: center;
}

.swiper {
  width: 500px;
  height: 75%;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.swiper-slide video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  
}
.text{
    z-index: 1;
    position: absolute;
    color: white;
    font-weight: bold;
    padding-top: 100px;
    
}
.title{
  text-align: center;
  
  color: white;
  font-weight: bolder;
}