* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
    font-family: 'Segoe UI', sans-serif;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #fdfdfd;
    color: #333;
}
::-webkit-scrollbar {
  width: 0.8vw;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #f8bbd0, #e91e64, #c2175b);
  border-radius: 1vw;
  border: 0.2vw solid transparent;
  background-clip: content-box;
  transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  border: 0.1vw solid transparent; /* less padding = thicker thumb */
  background-clip: content-box;
  cursor: pointer;
}


main {
  flex: 1;
}
h1, h2, h3 {
    font-size: 3.4vh;
}
a {
  text-decoration: none;
}
p {
    font-size: 2.3vh;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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