.btn {
    border-width: 2px;
    border-style: solid;
    text-transform: none;
    transition: all 0.3s;
    padding: 16px 36px;
    border-radius: 2px;
    font-size: 16px;
}

.btn .btn__icon {
    top: -2px;
    bottom: -2px;
}

.btn:hover .btn__icon {
    color: inherit !important;
}

.btn.btn_lg {
    padding: 20px 40px;
    font-size: 18px;
}

.btn.btn_sm {
    padding: 12px 32px;
    font-size: 14px;
}