body {
    background-color: rgb(10, 10, 10);
}

table, td, tr, h1, hr, h2, p, input, label {
    color: yellowgreen;
}

.absentmenu {
    width: 200px;
    height: 500px;
    background-color: rgb(14, 20, 1);
}

.tableabsent {
    border-style: double;
    background-color: rgb(65, 9, 139);
    border-color: greenyellow;
    align-items: center;
}

.absentMenu {
    padding: 16px;
    align-items: center;
    border-color: rgb(21, 204, 15);
    border-style: groove;
  border-width: 2px;
  color: yellowgreen;
  background-color: black;
    
}

.borderabsence {
    border: 5px unset green;
}

.contents {
    float: right;
    background-color: green;
}

* {
  box-sizing: border-box;
}

/* Create two equal columns that floats next to each other */
.column {
  float: left;
  width: 50%;
  padding: 10px;
  height: 300px; /* Should be removed. Only for demonstration */
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

.grid-container {
  display: grid;
  grid-template-columns: auto auto auto;
  gap: 10px;
  background-color: rgb(65, 9, 139);
  padding: 10px;
}

.grid-container > div {
  background-color: #131111;
  text-align: center;
  padding: 10px;
  font-size: 30px;
}

.item1 {
  grid-column-start: 1;
  grid-column-end: 3;
}

button {
    color: yellowgreen;
}