.header .logo img {
    max-width: 480px;
}

.button {    
    color: #434542;
    display: inline-block;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    background-color: transparent;
    border: 1px solid #434542;
    padding: 0.375rem 0.75rem;
    font-size: 1.2rem;
    line-height: 1.5;
    border-radius: 0;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.button:hover {
    background-color: #434542;
    color: #fff;
}