.btn {
  position: relative;
  width: 1200px;
  background: blueviolet;
  padding: 10px;
  margin-top: 30px;
  margin-left: 60px;
  margin-right: 70px;
  display: inline-block;
  text-transform: uppercase;
  overflow: hidden;
  border-radius: 5px;
  transition: .35s;
  text-decoration: none;
  letter-spacing: 4px;
  font-size: 24px;
  color: #fff;
  font-family: 'Oswald', sans-serif;
  text-align: center;
}

.btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 10px 10px rgba(255,255,255,.3),
              0 0 20px 30px rgba(255,255,255,.2),
              0 0 30px 30px rgba(255,255,255,.1);
  transition-delay: 1s;
  color: #61749e;
  background: yellow;
}

.btn span {
  position: absolute;
  display: block;
}

.btn span:nth-child(1) {
  top: 0;
  left: -100%;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, rgb(255, 0, 0));
}

.btn:hover span:nth-child(1) {
  left: 100%;
  transition: 1s;
}

.btn span:nth-child(3) {
  bottom: 0;
  right: -100%;
  width: 100%;
  height: 4px;
  background: linear-gradient(270deg, transparent, rgb(255, 0, 0));
}

.btn:hover span:nth-child(3) {
  right: 100%;
  transition: 1s;
  transition-delay: .5s;
}

.btn span:nth-child(2) {
  top: -100%;
  right: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, transparent, rgb(255, 0, 0));
}

.btn:hover span:nth-child(2) {
  top: 100%;
  transition: 1s;
  transition-delay: .25s;
}

.btn span:nth-child(4) {
  bottom: -100%;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(0deg, transparent, rgb(255, 0, 0));
}

.btn:hover span:nth-child(4) {
  bottom: 100%;
  transition: 1s;
  transition-delay: .75s;
}

.cd {
  margin: 50px;
  bottom: 0;
  text-align: center;
  background: whitesmoke;
  padding: 5px;
  border-radius: 5px;
  color: #aa0000;
}

.btn:active {
  transition-delay: unset;
  transition-duration: .25;
  transform: scale(.95);
}

h3 {
  color: whitesmoke;
  font-family: 'Oxygen', sans-serif;
  text-align: center;
  font-size: 40px;
}

body {
background: url(img/bg.jpg) no-repeat 50% 50%;
background-size: cover;
background-attachment: fixed;
}

.container {
  background: transparent;
  width: 100%;
}

p {
  color: whitesmoke;
  font-size: 20px;
  font-family: 'Prompt', sans-serif;
}

.section-dark {
  background-color: transparent;
  color:#ddd;
  text-align: center;
  height: 700px;
}

h2 {
font-family: 'Amatic SC', cursive;
color: whitesmoke;
text-align: center;
}

.parallax-window {
  height: 800px;
  background: transparent;
}

.container1 {
background: transparent;
width: 100%;
text-align: center;
}

.parallax-window1 {
height: 370px;
background: transparent;
}

.section-dark1 {
background-color: transparent;
color:#ddd;
text-align: center;
height: 825px;
}

.parallax-window2 {
height: 500px;
background: transparent;
}

.parallax-window3 {
  height: 500px;
  background: transparent;
  }