.tehtava {
    position: relative; 
    display: inline-block;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
	margin-left: 20px;
}
.tehtava .tehtavaTeksti {
    visibility: hidden;
    width: 500px;
    background-color: #F0F8FF;
    color: #000;
	border: 1px solid green;
    text-align: left;
    border-radius: 6px;
    padding: 10px 10px;
    box-shadow: 10px 10px 5px grey;
    /* Position the tooltip */
    position: absolute;
    z-index: 1;
    top: 100%;
    left: 50%;
    margin-left: -60px;
}
.tehtava .show {
    visibility: visible;
    -webkit-animation: fadeIn 1s;
    animation: fadeIn 1s;
}
.painike {
   border-top: 1px solid #96d1f8;
   background: #279c96;
   background: -webkit-gradient(linear, left top, left bottom, from(#078058), to(#279c96));
   background: -webkit-linear-gradient(top, #078058, #279c96);
   background: -moz-linear-gradient(top, #078058, #279c96);
   background: -ms-linear-gradient(top, #078058, #279c96);
   background: -o-linear-gradient(top, #078058, #279c96);
   padding: 5px 10px;
   -webkit-border-radius: 8px;
   -moz-border-radius: 8px;
   border-radius: 8px;
   -webkit-box-shadow: rgba(0,0,0,1) 0 1px 0;
   -moz-box-shadow: rgba(0,0,0,1) 0 1px 0;
   box-shadow: rgba(0,0,0,1) 0 1px 0;
   text-shadow: rgba(0,0,0,.4) 0 1px 0;
   color: white;
   font-size: 18px;
   font-family: Georgia, serif;
   text-decoration: none;
   vertical-align: middle;
   margin-bottom: 10px;
}
.painike:hover {
   border-top-color: #045e5c;
   background: #045e5c;
   color: #fcf805;
}
.painike:active {
   border-top-color: #007d3a;
   background: #007d3a;
}