a.button1 {
 position: relative;
 color: white;
 font-weight: bold;
 text-decoration: none;
 text-shadow: -1px -1px #1e3d97;
border-radius: 8px;
 user-select: none;
 padding: .8em 2em;
 outline: none;
 background-color: #728dd5;
 background-image: linear-gradient(45deg, rgba(255,255,255,.0) 30%, rgba(255,255,255,.8), rgba(255,255,255,.0) 70%), radial-gradient(190% 100% at 50% 0%, rgba(255,255,255,.7) 0%, rgba(255,255,255,.5) 50%, rgba(0,0,0,0) 50%);
 background-repeat: no-repeat;
 background-size: 200% 100%, auto;
 background-position: 200% 0, 0 0;
 box-shadow: rgba(0,0,0,.3) 0 2px 5px;
} 
a.button1:active {
 top: 1px;
 box-shadow: none;
}
a.button1:hover { background-color: #97ABE3;
 transition: .5s linear;
 background-position: -200% 0, 0 0;
}