body {
 background-image: url('logo_metalcircle.jpg');
 background-size: cover;
 background-position: center;
 background-repeat: no-repeat;
 background-color: #000;
 font-family: Arial, sans-serif;
}

header {
 text-align: center;
 padding: 20px;
}

header h1 {
 color: #fff;
 font-size: 36px;
}

header h2 {
 color: #008000;
 font-size: 26px;
}

main {
 height: 100vh;
 position: relative;
}

.imagem-inferior-esquerda {
 position: absolute;
 bottom: 180px;
 left: 1350px;
}

.imagem-inferior-esquerda img {
 width: 120px;
 height: 110px;
 border-radius: 20px;
 box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}