Это стили на кнопку.
Код
/* Кнопка
------------------------------------------*/
a.button24 {
display: inline-block;
color: white;
text-decoration: none;
padding: .2em 1em;
outline: none;
border-width: 2px 0;
border-style: solid none;
border-color: #D4A641 #464343 #775918;
border-radius: 6px;
background: linear-gradient(#FF9E03, #504611) #966A22;
transition: 0.2s;
}
a.button24:hover {background: linear-gradient(#8A6A1F, #C58A2D) #C19527;}
a.button24:active { background: linear-gradient(#f59500, #f5ae00) #f59500; }