.block1 { 
    width: 500px; 
    background: #fff;
    padding: 5px;
    padding-right: 20px; 
    border: solid 1px black; 
    float: left;
   }
   .block2 { 
    width: 500px; 
    background: #fff;
    padding: 5px;
    padding-right: 20px; 
    border: solid 1px black; 
    float: right;
   }
   a.button13 {
  display: inline-block;
  width: 15em;
  font-size: 80%;
  color: rgba(255,255,255,.9);
  text-shadow: #2e7ebd 0 1px 2px;
  text-decoration: none;
  text-align: center;
  line-height: 1.1;
  white-space: pre-line;
  padding: .7em 0;
  border: 1px solid;
  border-color: #60a3d8 #2970a9 #2970a9 #60a3d8;
  border-radius: 6px;
  outline: none;
  background: #60a3d8 linear-gradient(#89bbe2, #60a3d8 50%, #378bce);
  box-shadow: inset rgba(255,255,255,.5) 1px 1px;
}
a.button13:first-line{
  font-size: 170%;
  font-weight: 700;
}
a.button13:hover {
  color: rgb(255,255,255);
  background-image: linear-gradient(#9dc7e7, #74afdd 50%, #378bce);
}
a.button13:active {
  color: rgb(255,255,255);
  border-color: #2970a9;
  background-image: linear-gradient(#5796c8, #6aa2ce);
  box-shadow: none;
}