@import url("https://fonts.googleapis.com/css2?family=Chivo+Mono:wght@300&display=swap");
html {
  margin: 0%;
  padding: 0%;
  display: block;
  height: 100vh;
}

body {
  font-family: "Chivo Mono", monospace;
  height: 100%;
}

h1 {
  color: #d5dbdb;
}

img {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.5rem;
}

main {
  height: 100vh;
  display: flex;
  align-items: center;
}
main .content_all {
  text-align: center;
  width: 100%;
}
main .content_all .content_titulo-cronometro .content_titulo {
  width: 350px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0% auto;
  align-items: center;
}
main .content_all .content_titulo-cronometro .content_titulo h1 {
  color: black;
  text-transform: uppercase;
  font-size: 3rem;
}
main .content_all .content_time {
  display: flex;
  background-color: white;
  height: 120px;
}
main .content_all .content_time input {
  height: 100%;
  border: 1px solid #424949;
  width: 100%;
  align-items: center;
  display: flex;
  justify-content: center;
  font-size: 3rem;
}
main .content_all .content_time input .hours {
  width: 100%;
  height: 100%;
}
main .content_all .content_time input .hours_none {
  display: none;
}
main .content_all .content_time input .minutes {
  width: 100%;
  height: 100%;
  font-size: 3rem;
}
main .content_all .content_time input .seconds {
  width: 100%;
  height: 100%;
  font-size: 3rem;
}
main .content_all .content_botones {
  display: flex;
}
main .content_all .content_botones button {
  width: 100%;
  color: white;
}
main .content_all .content_botones #start {
  background-color: #85c1e9;
  border: none;
  border-bottom: 1px solid #424949;
  font-size: 2rem;
  transition: 0.25s;
}
main .content_all .content_botones #start:hover {
  box-shadow: 0 0 5px 1px black;
  cursor: pointer;
}
main .content_all .content_botones #stop {
  background-color: #424949;
  border: none;
  border-bottom: 1px solid black;
  font-size: 2rem;
  transition: 0.25s;
}
main .content_all .content_botones #stop:hover {
  box-shadow: 0 0 5px 1px black;
  cursor: pointer;
}