app/assets/stylesheets/blocks/_button.scss
.button {
margin: 5px;
padding: 4px 12px;
font-size: 14px;
font-family: inherit;
border-width: 0;
border-color: transparent;
font-weight: 400;
cursor: pointer;
position: relative;
display: inline-block;
text-decoration: none;
color: #777;
&:hover {
text-decoration: none;
color: #333;
}
}