* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

body {
  width: 100%;
  height: 100dvh;
  background: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 30px;
  position: relative;
  overflow: hidden;
}

body::before {
  content: '';
  width: 200%;
  height: 100%;
  background-image:    linear-gradient(to right, rgba(0, 0, 0, 0.1) 1px, transparent 1px),    linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 1px, transparent 1px);
  background-size: 25px 25px;
  mask-image: radial-gradient(at top, black 0%, transparent 60%);
  position: fixed;
  top: 0;
  left: 50%;
  z-index: -1;
  transform: translateX(-50%);
  pointer-events: none;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
}

h1 {
  width: min(90%, 700px);
  font-weight: bold;
  text-align: center;
}

p {
  text-align: center;
  font-size: 0.8rem;
}

p strong {
  display: block;
  margin-top: 3px;
}

button {
  padding: 15px;
  background: transparent;
  outline: none;
  border: 1px solid rgb(255, 136, 0);
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  transition: all .3s ease;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  -ms-border-radius: 5px;
  -o-border-radius: 5px;
  -webkit-transition: all .3s ease;
  -moz-transition: all .3s ease;
  -ms-transition: all .3s ease;
  -o-transition: all .3s ease;
}

button:hover {
  background: rgb(255, 136, 0);
  color: white;
}

.pointer-tracker {
  width: 26px;
  height: 26px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  position: absolute;
  top: -13px;
  left: -13px;
  transition: all .2s ease;
  pointer-events: none;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  -webkit-transition: all .2s ease;
  -moz-transition: all .2s ease;
  -ms-transition: all .2s ease;
  -o-transition: all .2s ease;
}

button:hover ~ .pointer-tracker {
  width: 50px;
  height: 50px;
  top: -25px;
  left: -25px;
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.5);
}