:root {
  --btn-color: #dfe1e8;
}


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

body {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(to bottom, transparent, #000) #545454;
}

.container {
  width: 100%;
  max-width: 756px;
  padding: 20px;
  text-align: center;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  margin: 1rem 0;
}

.btn {
  display: block;
  text-decoration: none;
  font-size: 1rem;
  background-color: #000;
  color: var(--btn-color);
  margin: 1rem 0;
  padding: 10px 0;
  border-radius: 8px;
  font-weight: 600;
  font-family: system-ui;
  box-shadow: 5px 5px 0 0 var(--btn-color);
}

.btn:hover {
  box-shadow: 2px 2px 0 0 var(--btn-color);
}

.btn:active {
  transition: 50ms ease;
  box-shadow: 0 0 0 0 var(--btn-color);
}

.btn:focus-visible::after {
  position: absolute;
  left: 50%;
  top: calc(100% + 12px);
  transform: translateX(-50%);
  content: "\21E7";
  animation: float 0.5s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateX(-50%) translatey(0px);
  }

  50% {
    transform: translateX(-50%) translatey(-6px);
  }

  100% {
    transform: translateX(-50%) translatey(0px);
  }
}