Template:CS button/styles.css

/* The wrapper controls width; child link gets button styling */
.capsach-btn {
  display:inline-block;
  width:278px;
  max-width:100%;
  box-sizing:border-box;
  margin:0.5em 0;                 /* added: space above and below */
}

/* Button appearance on inner anchor/span */
.capsach-btn > a,
.capsach-btn > .capsach-btn__inner {
  display:block;
  padding:.2em 1.5em;
  font: inherit;               /* use CapSach site font */
  color:#202122;
  background-color:#FEE330;
  text-decoration:none;
  border:none;
  border-radius:9999px;
  text-align:center;
  white-space:nowrap;
  transition:background-color .15s, transform .05s;
  cursor:pointer;
}

.capsach-btn > a:hover,
.capsach-btn > .capsach-btn__inner:hover {
  background-color:#FFDD00;
}

.capsach-btn > a:active,
.capsach-btn > .capsach-btn__inner:active {
  background-color:#F0C800;
  transform:translateY(1px);
}

/* Mobile-only full width (opt-in) */
@media (max-width:720px){
  .capsach-btn--mobile { display:block; width:100% !important; }
}

/* alignment helpers */
.capsach-align        { text-align:left; }
.capsach-align-right  { text-align:right; }
.capsach-align-center { text-align:center; }
.capsach-align-left   { text-align:left; }