.waves-button {
    padding: 5px 18px 7px;
    border-radius: 3px;
    a, a:hover, a:visited, a:link, button, input[type='submit'], input[type='button'] {
        position: relative;
        z-index: 9;
    }
}
.btn {
    font-weight: $bold;
    transition: all .28s cubic-bezier(.4, 0, .2, 1);
}
.btn-primary {
    user-select: none;
    text-transform: uppercase;
    border: 0;
    background: $primary-color;
    &:hover, &:focus, &:active, &.active {
        outline: none;
        background: $primary-color-hover;
    }
}