#tablewrapper {
width:90%;
 height: 700px;
 background-color: #EEE;
 display: block;
 position: sticky;
 margin: auto;
 margin-top: 2%;
 margin-bottom:2%;
 overflow-y: auto;
}
table
{
table-layout: fixed;
width:95%;
height:90%;
padding: 0px;
margin: auto;
margin-top: 2%;
border-collapse: collapse;
background-color: white;
}
td, th
{
  padding-left: 15px;
  text-align: left;
  width: 25%;
  border-bottom: 1px solid black;
}
td {
height: 50px;	
}
th {
	height: 20px;
}

.header .sign:after{
  display:block; 
  cursor:pointer;  
}

.header .decline .accept:after{
  display:block;  
  cursor:pointer;
  right:0;  
}
.header.expand .sign:after{
  content:"-";
 }
 .sign{
  right:0; 
  
 }