.main{
  color: var(--main-font-color);
  background-color: var(--main-bg-color);
  z-index: 10;
  padding-bottom: 100px;
  @media screen and (min-width: 961px){
    padding-top: 100px;
  }
}
.sentence{
  position: relative;
  @media screen and (min-width: 961px){
    left: 20vw;
    width: 60vw;
  }
  @media screen and (max-width: 960px){
    left: 10vw;
    width: 80vw;
  }
}