h1{
  text-align: center;
  background: black;
  padding: 12px;
  color: white;
  border-radius: 12px;
}

body{
  background: lightgray;
}

.totul{
  background: lightgray;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  align-content: center;
}

.intro-date{
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    text-align: center;

    background: gray;
    color: white;
    margin: 28px auto;
    text-align: center;
    padding: 8px 32px;
    border-radius: 12px;
    box-shadow: 4px 4px black, -4px -4px black, 4px -4px red, -4px 4px red;
} 
  .intro-date label { font-weight: bold; }
  .intro-date input, .intro-date input:active {
    background: white;
    border-radius: 4px;
    
  }
  .intro-date input{ width: 300px; margin: auto; }
  .intro-date button{
    padding: 12px;
    margin: 8px auto;
    background: black;
    color: white;
  }

table{
  width: calc(100% - 16px);
  margin: 24px 8px;
  border-collapse: collapse;
  border-style: hidden; /* hide standard table (collapsed) border */
  box-shadow: 4px -4px black, -4px 4px black, 4px 4px red, -4px -4px red;
  background: gray;
  color: white;
  font-weight: bold;
}
  thead, tfoot{ background: black; box-sizing: border-box;}
  tr{ border: 2px solid white; padding: 18px; }
  tr:nth-child(even) {background-color: darkgray;}
  td,th { padding: 12px; }



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

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

::-webkit-input-placeholder {
  text-align: center;
}

:-moz-placeholder {
  text-align: center;
}