@font-face {
    font-family: Atomic;
    font-display: swap;
    src: url(font-atomic.woff2) format("woff2")
}

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

html {
  overflow: hidden;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(180deg, #18181b 50%, #1e40af);
    color: white;
    overflow: hidden;
}

main {
  text-align: center;
}

.crono {
    text-align: center;
    font-family: Atomic,system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 70px;
    letter-spacing: 5px;
    
}

a {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  text-decoration: none;
  width: 100%;
  text-align: center;
  color: rgb(154, 153, 153);
}

.num {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 45px;
    text-align: center;
    transition: 750ms;
}

.scale {
  font-size: 60px;
}

.botones {
    margin-top: 20px;
    display: flex;
    gap: 20px;
}

button {
  background-color: #FFFFFF;
  border: 1px solid rgb(209,213,219);
  border-radius: .5rem;
  box-sizing: border-box;
  color: #111827;
  font-family: "Inter var",ui-sans-serif,system-ui,-apple-system,system-ui,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
  font-size: .875rem;
  font-weight: 600;
  line-height: 1.25rem;
  padding: .75rem 1rem;
  text-align: center;
  text-decoration: none #D1D5DB solid;
  text-decoration-thickness: auto;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  width: 100%;
}

button:hover {
  background-color: rgb(249,250,251);
}

button:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

button:focus-visible {
  box-shadow: none;
}

button[disabled] {
  cursor: default;
}

@media (max-width: 521px) {
  .crono {
    font-size: 40px;
  }
}


.stars {
    width: 100%;
    min-height: 100vh;
    position: absolute;
    z-index: -1;

}

.star {
    position: absolute;
    background-color: rgb(255, 255, 255);

}

.mas {
  text-align: center;
  display: flex;
  width: fit-content;
  gap: 27px;
  margin-top: 20px;
}

.mas button, .menos button {
  transition: all 750ms;

}


.menos {
  text-align: center;
  display: flex;
  width: fit-content;
  gap: 27px;
  margin-bottom: 40px;
}

.invisible {
  opacity: 0;
}