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

html{
  font-size: 10px;
}

body{
  font-family: Sans-Serif;
  background:#333;
  color: #fff;
  height: 100vh;
  margin-top: 7rem;
}

.container{
  width: 90%;
  margin: auto;
}

.modal-cover{
  background: #555;
  max-width: 50rem;
  margin: 2rem auto;
  text-align: center;
  border-radius: .5rem;
  padding: 1rem 0 2rem 0;
}

h1{
  font-size: 3rem;
  padding: 2rem 0;
  text-align: center;
}

.open, .close-btn{
  background: #fff;
  color: #222;
  padding: 1rem 2rem;
  border: none;
  border-radius: 5rem;
  outline: none;
  transition: .5s;
}

.open:active{
  background: #222;
  color: white;
}

p{
  font-size: 1.5rem;
  margin: 1rem 0;
}

.modal{
  width: 32rem;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  background: #fff;
  color: #000;
  padding:0 1rem 1rem 2rem;
  margin: -25rem auto 0 auto;
  border-radius: .5rem;
  z-index: 10;
  transition: 1s;
}

.close{
  float: right;
  font-size: 3rem;
}

.close:active{
  border: 1px sololid #222;
}

.modal-content{
  clear: both;
}

h3{
  font-size: 2.5rem;
}

.modal p{
  font-size: 1.5rem;
  margin: 1rem 0;
}

.close-btn{
  background: #222;
  color:#fff;
  border-radius: .5rem;
}

.close-btn:active{
  background: #fff;
  color: #222;
}