a.bott{
display: block;
font-size: 1.1em;
width: auto;
text-decoration: none;
text-align: center;
font: 14px arial;
text-transform: uppercase;
padding: 10px 15px;
margin: 20px auto;
color: #ccc;
background-color: #555;
background-image: linear-gradient(top, #888 0%, #555 100%);
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #888), color-stop(1, #555));
background-image: -moz-linear-gradient(top, #888 0%, #555 100%);
background-image: -o-linear-gradient(top, #888 0%, #555 100%);
border: none;
border-radius: 3px;
text-shadow: 0px -1px 0px #000;
box-shadow: 0px 1px 0px #666,0px 5px 0px #444,0px 6px 6px rgba(0, 0, 0, .6);
-webkit-transition: ease .15s all;
-moz-transition: ease .15s all;
-o-transition: ease .15s all;
transition: ease .15s all;
-webkit-animation: none;
 -moz-animation: none;
 -o-animation: none;
  animation: none;
}
a.bott:hover, a.bott:focus{
-webkit-animation: linear 1.2s light infinite;
-moz-animation: linear 1.2s light infinite;
-o-animation: linear 1.2s light infinite;
animation: linear 1.2s light infinite;
}
@-webkit-keyframes light{
0%   { color: #ddd; text-shadow: 0px -1px 0px #000; }
50%   { color: #fff; text-shadow: 0px -1px 0px #444, 0px 0px 5px #ffd, 0px 0px 8px #fff; }
100% { color: #ddd; text-shadow: 0px -1px 0px #000; }
}
@-moz-keyframes light{
0%   { color: #ddd; text-shadow: 0px -1px 0px #000; }
50%   { color: #fff; text-shadow: 0px -1px 0px #444, 0px 0px 5px #ffd, 0px 0px 8px #fff; }
100% { color: #ddd; text-shadow: 0px -1px 0px #000; }
}
@-o-keyframes light{
0%   { color: #ddd; text-shadow: 0px -1px 0px #000; }
50%   { color: #fff; text-shadow: 0px -1px 0px #444, 0px 0px 5px #ffd, 0px 0px 8px #fff; }
100% { color: #ddd; text-shadow: 0px -1px 0px #000; }
}
@keyframes light{
0%   { color: #ddd; text-shadow: 0px -1px 0px #000; }
50%   { color: #fff; text-shadow: 0px -1px 0px #444, 0px 0px 5px #ffd, 0px 0px 8px #fff; }
100% { color: #ddd; text-shadow: 0px -1px 0px #000; }
}
a.bott:active{
color: #fff;
text-shadow: 0px -1px 0px #444,0px 0px 5px #ffd,0px 0px 8px #fff;
box-shadow: 0px 1px 0px #666,0px 2px 0px #444,0px 2px 2px rgba(0, 0, 0, .9);
-webkit-transform: translateY(3px);
-moz-transform: translateY(3px);
-o-transform: translateY(3px);
transform: translateY(3px);
-webkit-animation: none;
-moz-animation: none;
-o-animation: none;
animation: none;
}