*,*::before,*::after{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html{
  font-size: 62.5%;
}

body{
  font-family: sans-serif;
  height: 100vh;
  width: 100vw;
}

.header{
  height: 10rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header__title{
  font-size: 5rem;
}

.main{
  height: calc(100% - 10rem);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main__div{
  width: 50%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.main__text{
  font-size: 3rem;
}

.main__download{
  width: 10rem;
  height: 5rem;
  background: gray;
  color: black;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border: black 1px solid;
}

.main__download:hover{
  cursor: pointer;
}