.Start {
  text-decoration: none;
  display: inline-block;
  padding: 5px 10px;
  letter-spacing: 1px;
  margin: 5 20px;
  font-size: 24px;
  transition: all 0.3s ease-in-out;
  font-family: 'PT Sans Caption', sans-serif;
  font-weight: bold;
}
.Start {
   color: #578FB0;
   border: 2px solid transparent;
}

.Start:hover {
   border: 2px solid #578FB0;
}

.main {
 width: 100%;
 height: 100%;
 position: absolute;
}

.inner {
 text-align:center;
 top: 50%;
 left: 50%;
 width: 400px;
 height: 140px;
 margin-left: -200px; /* width/2 */
 margin-top: -70px;  /* height/2 */
 position: absolute;
}