<style>a.button1 {border: 2px;  padding-top: 2px; padding-bottom: 2px; 
  padding-right: 8px; padding-left: 8px; margin-top:20px; margin-bottom:20px; margin-right:12px; 
  background-color: #52ae4e; color:white; width: 300px; border-radius: 15px;}</style>

<style>a.button2 {border: 2px;  padding-top: 2px; padding-bottom: 2px; 
  padding-right: 8px; padding-left: 8px; margin-top:20px;  margin-bottom:20px; margin-right:12px;
  background-color: #00aeef; color:white; width: 300px; border-radius: 15px;}</style>

<style>a.button3 {border: 2px;  padding-top: 2px; padding-bottom: 2px; 
  padding-right: 8px; padding-left: 8px; margin-top:20px;  margin-bottom:20px; margin-right:12px;
  background-color: #c16bec; color:white; width: 300px; border-radius: 15px;}</style>