body{
  margin: 0;
  padding: 0;
  background-color: #23272a;
  overflow: hidden;
}

.prewave{
  background-color: #0c0c10;
  padding: 15px 50px;
  height: 450px;
}

.prewave h1{
  font-family: "Roboto", sans-serif;
  font-size: 30px;
  color: #fff;
}

.prewave p{
  font-family: "Roboto", sans-serif;
  padding-right: 70%;
  color: #fff;
}

.prewave img{
  width: 640px;
  height: 360px;
  float: right;
  border-radius: 25px;
  display: block;
  transition: box-shadow 0.5s, transform 0.1s;
}

.prewave img:hover{
  box-shadow: 0px 0px 30px rgba(0,0,0, 0.6);
  cursor: pointer;
}

@media only screen and (max-width: 1245px){
  .prewave{
    padding: 15px 50px;
  }

  .prewave p{
    padding-right: 70%;
  }

  .prewave img{
    display:none;
  }
}

@media only screen and (max-width: 800px){
  .prewave{
    padding: 15px 50px;
  }

  .prewave p{
    padding-right: 10%;
  }

  .prewave img{
    display:none;
  }
}