* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}
 
body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
   display: flex;
  justify-content: center;
  align-items: center;
}
.container {
  width: 100vw;
  height: 100vh;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.parent {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 700px;
  width: 90%;
  justify-content: space-between;
 
}
#min {
  width: 30%;
  background-color: rgba(255, 255, 255, 0.225);
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  font-size: xx-large;
  border: 1px solid rgba(255, 255, 255, 0.681);
  color: white;
}
#sec {
  width: 30%;
  background-color: rgba(255, 255, 255, 0.225);
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  font-size: xx-large;
  border: 1px solid rgba(255, 255, 255, 0.681);
  color: white;
}
#msec {
  width: 30%;
  background-color: rgba(255, 255, 255, 0.225);
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  font-size: xx-large;
  border: 1px solid rgba(255, 255, 255, 0.681);
  color: white;
}
.btnparent {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 350px;
  width: 80%;
  justify-content: space-between;
}
button {
  height: 50px;
  width: 30%;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.225);
  border: 1px solid rgba(255, 255, 255, 0.681);
  color: white;
}
h1{
 
  font-size:xx-large;
  color: white;
}