design.css

body {
  margin-top: 5%;
  margin-bottom: 10%;
  margin-left: 20%;
  margin-right: 25%;
  font-size: x-large;
  background-image: linear-gradient(#00ffde,#097945,#002415);

  background-size: cover;
  display: flex;
  color:white;
  justify-content: center;
  align-items: center;
  font-weight: 900;
}

table {
  font-size: 150%;
  color:white;
  width: 100%;
  font-weight: 600;


}
.hit-the-floor {
  color: #fff;
  font-size: 75px;
  font-weight: bold;
  font-family: Helvetica;
  text-shadow:
    0 1px 0 #ccc,
    0 2px 0 #c9c9c9,
    0 3px 0 #bbb,
    0 4px 0 #b9b9b9,
    0 5px 0 #aaa,
    0 6px 1px rgba(0,0,0,.1),
    0 0 5px rgba(0,0,0,.1),
    0 1px 3px rgba(0,0,0,.3),
    0 3px 5px rgba(0,0,0,.2),
    0 5px 10px rgba(0,0,0,.25),
    0 10px 10px rgba(0,0,0,.2),
    0 20px 20px rgba(0,0,0,.15);
}

.hit-the-floor {
  text-align: center;
}



tr {
  height: 70px;
  color:white;
}

input[type=number] {
  width: 50%;
  font-size: 75%;
  padding: 12px;
}

#main {
  width: 1000px;
  padding: 10px;
  border: 5px solid gray;

  color:white;
  margin: 0;
}