a.myButtonDiv {margin: 55px 0 55px 0;}
a.myButtonDiv
{
  display:block;
  width: 271px;
  height: 74px;
  background: url("http://www.marioedgar.com/images/blog/5.jpg") no-repeat top left;
  line-height: 74px;
  text-align:center;
  color:#fff !important;
  font-weight:bold;
  font-size: 16px;
  background-position: 0 0;
  position:relative;
  z-index:1;
}


a.myButtonDiv:hover
{       

background-position: 0 -74px;  
text-decoration:none; 
}


      a.myButton1, span.firstBackground, span.secondBackground
      {
          width: 271px;
          height: 74px;
          display:block;
          line-height:74px;
          text-decoration:none;
          font-weight:bold;
          color: #000;
          text-align:center;
          position:absolute;
          top:0;
          color:#fff !important;
          font-size: 16px;          
      }
      a.myButton1:hover
      {
      text-decoration:none;
      }
      .firstBackground
      {
          background: url('http://www.marioedgar.com/images/blog/6.png') no-repeat;
          background-position: 0 0;
      }
      .secondBackground  
      {
          background: url('http://www.marioedgar.com/images/blog/6.png') no-repeat;
          background-position: 0 -74px;
      }
      
      #button_container1{position:relative; margin: 50px 0 170px 0;}