html, body {
    height: auto;
    min-height: 100%;
}

.login-box {
    left: 50%;
    margin: 0;
    padding: 20px;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 50%;
}


.zdtooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted black;
}

.zdtooltip .zdtooltiptext {
  visibility: hidden;
  background-color: black;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px 0;

  /* Position the tooltip */
  position: fixed;
  z-index: 1000;
  left: 50%;
top: 50%;
transform: translate(-50%,-50%);
max-height: 70vh;
display: flex;
}

.zdtooltip:hover .zdtooltiptext {
  visibility: visible;
}


.logo-lg {
	font-size: 12px;
line-height: 50px;
}

td, th
{
    text-align: center; 
    vertical-align: middle;
}

th {
	  border-right: 1px black;
	  border-left: 1px black;
}

.box {
    padding: 25px;
}

textarea {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	height: 80px;
	width: 100%;
}

.holiday {
    background: red;
}