html{
    height: 100%;
}

body{
    margin: 0;
    padding: 0;
    min-height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #0a5f63;
    background-image: url('https://th.bing.com/th/id/R.df724a390eed3dacfd0cfcfb19d71abe?rik=T9o%2fcEjKai%2fF9g&riu=http%3a%2f%2fcdn.wallpapersafari.com%2f20%2f22%2fuQZ2SV.jpg&ehk=CXF24HQ0YF6omKmGw%2b3ggE%2fmZ02%2fGeuKuDZsJ8cKeM0%3d&risl=&pid=ImgRaw&r=0');
    background-position: center center;
    background-size: contain;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.janela-cinza{
    background-color: #c0c0c0;
    height: 180px;
    width: 400px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 3px;
}
.barra-titulo{
    background-color: #000080;
    height: 25px;
    width: 394px;
    padding: 0px 3px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.barra-titulo p{
    margin: 0;
}

.botao-fechar{
    width: 18px;
    height: 18px;
    padding: 0;
    border: 2px solid #dfdfdf;
    background: #c0c0c0;
    color: #000;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.botao-fechar:hover{
    background: #e0e0e0;
}

.botao-fechar:active{
    border-color: #808080 #dfdfdf #dfdfdf #808080;
}

.conteudo-janela{
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 16px 0;
    width: 100%;
}

.icone-erro{
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #d80000;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25);
    margin-left: 20px;
}

.mensagem{
    color: #111;
    font-family: Arial, sans-serif;
    font-size: 14px;
    line-height: 1.45;
}

.mensagem p{
    margin: 0 0 6px;
}

.botoes{
    display: flex;
    gap: 14px;
    padding: 16px 0 18px;
}

.botao{
    min-width: 80px;
    padding: 4px 10px;
    border: 2px solid;
    border-color: #dfdfdf #808080 #808080 #dfdfdf;
    background-color: #e8e8e8;
    color: #111;
    font-family: Arial, sans-serif;
    font-size: 12px;
    cursor: pointer;
}

.botao:active{
    border-color: #808080 #dfdfdf #dfdfdf #808080;
}

main{
    background-color: transparent;
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}