h2 {
   color: black;
 }
 
 .center {
 text-align: center;
 }
 
 * {box-sizing: border-box}
 
 /* Set height of body and the document to 100% */
 body, html {
   height: 100%;
   margin: 0;
   font-family: Arial;
 }
 
 /* Style tab links */
 .tablink {
   background-color: #555;
   color: white;
   float: left;
   border: none;
   outline: none;
   cursor: pointer;
   padding: 14px 16px;
   font-size: 17px;
   width: 25%;
   text-align: center;
   text-decoration: none;
 }
 
 .tablink:hover {
   background-color: #777;
 }
 
 /* Style the tab content (and add height:100% for full page content) */
 .tabcontent {
   color: white;
   display: none;
   padding: 100px 20px;
   padding-bottom: 0px;
 }
 
 .dbl {
   font-size: 4em;
 }
 
 .mt-0 {
   margin-top: 0px;
 }
 
 .mb-0 {
   margin-bottom: 0px;
 }

 .tc:hover {
   background-color: red;
 }
 
 .ta:hover {
   background-color: blue;
 }
 
 .tt:hover {
   background-color: green;
 }
 
 .ts:hover {
   background-color: orange;
 }










 body{
	text-align: center;
	background: #00ECB9;
  font-family: sans-serif;
  font-weight: 100;
}

h1{
  color: #396;
  font-weight: 100;
  font-size: 40px;
  margin: 0px 0px 20px;
}

#clockdiv{
	font-family: sans-serif;
	color: #fff;
	display: inline-block;
	font-weight: 100;
	text-align: center;
	font-size: 30px;
}

#clockdiv > div{
	padding: 10px;
	border-radius: 3px;
	background: #00BF96;
	display: inline-block;
}

#clockdiv div > span{
	padding: 15px;
	border-radius: 3px;
	background: #00816A;
	display: inline-block;
}

.smalltext{
	padding-top: 5px;
	font-size: 16px;
}

.button {
   -webkit-appearance: button;
   -webkit-writing-mode: horizontal-tb !important;
   text-rendering: auto;
   letter-spacing: normal;
   word-spacing: normal;
   text-transform: none;
   text-indent: 0px;
   text-shadow: none;
   display: inline-block;
   text-align: center;
   align-items: flex-start;
   box-sizing: border-box;
   margin: 0em;
   font: 400 13.3333px Arial;  
   text-decoration: none;


   padding: 15px 15px;
   cursor: pointer;
   outline: none;
   color: #fff;
   background-color: #4CAF50;
   border: none;
   border-radius: 15px;
   box-shadow: 0 9px #999;
   width: 100px;
   height: 50px;
   margin-bottom: 25px;
}

.button:hover {background-color: #3e8e41}

.button:active {
  background-color: #3e8e41;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}