app/assets/stylesheets/base/extends/_button.scss
%button {
-webkit-font-smoothing: antialiased;
background-color: $base-button-color;
border-radius: $base-border-radius;
color: white;
display: inline-block;
font-size: $base-font-size;
font-weight: bold;
line-height: 1;
padding: .75em 1em;
text-decoration: none;
&:hover {
background-color: $hover-button-color;
color: white;
}
}