.mygrid  div[class^="col"] {
	/* border: 0px solid black; */    
	/* background: #f5f5f5;   */
	padding-top: 8px;
	padding-bottom: 8px;
	}
        
.mybody {
         background-color: #f5f5f5;
        }
        
.mycheckbox {
    width: 20px; 
    height: 20px;
}

html {
  font-size: 70%;
}

table{
    font-size: 100%;
}

.back-to-top {
  cursor: pointer;
  position: fixed;
  bottom: 100px;
  right: 10px;
  display:none;
}