body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: black;
  color: white;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  position: absolute;
  width: 400px;
  border: 2px white solid;
  border-radius: 15px;
  padding: 20px;
  background-color: transparent;
  z-index: 10000;
  background: linear-gradient(rgba(225, 225, 225, 0.1), rgba(225, 225, 225, 0));
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);

}

.date1 {
  display: flex;
}

.calc input {
  margin-bottom: 10px;
  margin-top: 15px;
  font-size: 17px;
  color: white;
  background: transparent;
  outline: none;
  border: 2px white solid;
  border-radius: 30px;
  width: 120px;
  padding: 6px;
}

.calc input:hover {
  background-color: #4F468C;
}

.calc input:active {
  background-color: #4F468C;
}

.date1{
  width: 80%;
  font-size: 10px;
  justify-content: space-between;
  margin-bottom: 10px;

}

.date1 input[type="date"] {
  text-align:center;
  width: 200px;
  padding: 0px;
  background: transparent;
  outline: none;
  border: 2px white solid;
  border-radius: 30px;
  color: white;
  color-scheme: dark;

}

section {
  position: absolute;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
  overflow: hidden;
}

section::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(#000, #4F468C, #000);
  animation: animate 5s linear infinite;
}

@keyframes animate {
  0% {
      transform: translateY(100%);
  }

  100% {
      transform: translateY(-100%);
  }
}

section span{
  position: relative;
  display: block;
  width: calc(6.25vw - 2px);
  height: calc(6.25vw - 2px);
  background: #181818;
  z-index: 2;
  transition: 1.5s;
}
section span:hover{
  background: #4F468C;
  transition: 0s;
}
@media(max-width: 900px){
  section span{
      width: calc(10vw-2px);
      height: calc(10vw-2px);
  }
}
@media(max-width: 600px){
  .container{
    width: 80vw;
  }
  #message{
      font-size: 14px;
  }
  section span{
      width: calc(10vw-2px);
      height: calc(10vw-2px);
  }
}
@media(max-width: 390px){
  .date1 input[type="date"] {
    width: 150px;}

}