.btn {
    display: inline-block;
    min-width: 120px;
    padding: 10px 25px;
    margin-bottom: 1em;
    border: none;
    border-radius: 3px;
    font-size: 1em;
    line-height: 1.4em;
    text-align: center;
    text-decoration: none;
    transition: border-color 0.25s, background-color 0.25s, color 0.25s;
    background: var(--color-primary);
    color: var(--color-white);
}

.btn.btn-sm {
    padding: 5px 15px;
    min-width: 30px;
    font-size: 0.8em;
    line-height: 1.2em;
}

.btn.btn-lg {
    padding: 12px 45px;
    min-width: 200px;
    font-size: 1.4em;
}

.btn.btn-empty {
    background: transparent;
    border: 2px solid var(--color-primary);;
    border-radius: 1000px;
    padding: 8px 25px;
    border: 2px solid var(--color-primary);;
    color: var(--color-primary);;
    background: none;
}
