* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}
body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background-color: black;
}
.Heading {
  font-size: 40px;
  background: -webkit-linear-gradient(#4d8635, #d2f36f, #44bd32);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 900;
  padding-bottom: 20px;
}
.main {
  display: flex;
  background-color: #4d8635;
  padding: 40px;
  text-align: center;
  border: none;
  border-radius: 10px;
  transition: all 0.2s ease-in;
}
.main:hover {
  box-shadow: 0 4px 8px 0 #d2f36f, 0 6px 20px 0 #d2f36f;
}
.main .Stop-watch {
  padding: 10px;
}
.main .Stop-watch h1 {
  color: #d2f36f;
  font-size: 35px;
}
.main .Stop-watch button {
  padding: 5px 20px;
  font-size: 15px;
  border: none;
  border-radius: 5px;
  background-color: #44bd32;
  cursor: pointer;
  color: white;
  transition: all 0.2s ease-in;
}
.main .Stop-watch button:hover {
  background-color: #3cac0c;
}