* {
  padding: 0;
  margin: 0;
}
.app {
  background: url(/images/lightMode.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  flex-direction: column;
  gap: 2rem;
  transition: all 500ms ease-in-out;
}
body {
  font-family: "Ubuntu", sans-serif;
}
h1 {
  font-size: 4rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 700;
  /* background-color: #0080ff5d; */
  border-radius: 19px;
  padding: 10px;
  transition: all 500ms ease-in-out;
}
.controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
#display {
  font-size: 2.5rem;
  font-weight: 900;
  padding: 0.5rem 1rem;
  border-radius: 10px;
  background-color: #5574ffd7;
  transition: all 500ms ease-in-out;
}
#minutes {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 0.5rem 1.5rem;
  font-size: 1rem;
  box-shadow: black 1px 1px 10px;
  border-radius: 7px;
  border: none;
}
button {
  color: black;
  padding: 0.5rem 1.5rem;
  border-radius: 7px;
  cursor: pointer;
  border: none;
  box-shadow: black 1px 1px 10px;
}

#start {
  background-color: #27ae60;
}
#pause {
  background-color: #e67e22;
}
#reset {
  background-color: #c0392b;
}
.h1Change {
  color: white;
  transition: all 500ms ease-in-out;
}
.minutesChange {
  background-color: #f8f9fa !important;
  color: black !important;
}
.bgChange {
  background: url(/images/darkmode.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transition: all 500ms ease-in-out;
}
.displayChange {
  background-color: #ffffffc5 !important;
  transition: all 500ms ease-in-out !important;
}
.startChange {
  background-color: #2ecc71 !important;
}
.pauseChange {
  background-color: #f39c12 !important;
}
.resetChange {
  background-color: #e74c3c !important;
}

/* For Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* For Firefox */
input[type="number"] {
  -moz-appearance: textfield;
}

/* mediaQueries for the page */
@media (max-width: 700px) {
  h1 {
    font-size: 3rem;
  }
}
@media (max-width: 520px) {
  h1 {
    font-size: 2.5rem;
    text-align: center;
  }
  .controls {
    flex-wrap: wrap;
  }
}