app/common/styles/base/buttons.scss

button, .button, input[type="submit"], .submit {
  font-weight: bold;
  font-size: 1em;
  text-transform: none;
  border-radius: 3px;
  padding: .8rem 3.5rem .5rem;
  height: auto;
  border: 0;
  &:hover {
    cursor: pointer;
  }
}

.disabled {
  button, .button, input[type="submit"] {
    opacity: 0.2;
    color: $btn__disabled-txt;
    &:hover {
      cursor: default;
      background: transparent;
    }
  }
}

.btn-primary,
input[type="submit"] {
  color: $primebtn__text;
  background: $primebtn__bg;
  min-height: 50px;
  &:hover {
    background: lighten($primebtn__bg, 8%);
    @include fastTransition-all;
  }
  &.disabled {
    background: $btn__disabled-bg;
    color: $btn__disabled-txt;
    @include fastTransition-all;
    &:hover {
      cursor: default;
    }
  }
  i { // button symbol
    font-style: normal;
    text-transform: none;
    font-size: 1.5em;
    transform: rotate(80deg);
    display: inline-block;
  }
  img{
    width: 18px;
    height: 18px;
    display: inline-block;
  }
}
.btn-secondary {
  color: $secbtn__text;
  background: transparent;
  border: 2px solid $secbtn__border;
  min-height: 50px;
  &:hover {
    background: $lightbg__accent;
    cursor: pointer;
    background: $secbtn__bg;
    @include fastTransition-all;
  }
  &.disabled {
    border: 2px solid $lightgrey;
    background: $btn__disabled-bg;
    @include fastTransition-all;
    &:hover {
      background: $btn__disabled-bg;
    }
  }
  i { // button symbol
    font-style: normal;
    font-weight: 400;
    text-transform: none;
    font-size: 1.5em;
    transform: rotate(80deg) translate(-2px);
    display: inline-block;
    vertical-align: middle;
  }
  img{
    width: 18px;
    height: 18px;
    display: inline-block;
    margin-right: .5em;
    margin-top: -3px;
  }
}