teste.css

body{
    background-color: rgb(170, 255, 244);
}
header{
    background-color: rgb(72, 133, 190);
}
h1{
    color: rgb(0, 0, 0);
}
h2{
    color: rgb(0, 0, 0);

}
.pagina1{
    text-align: center;
    overflow: auto;
}
#foto1{
    display: block;
    float: left;    
    margin-right: -200px; 
    width: 20%; 
}
#foto3{
    display: block;
    float: right;    
    margin-left: -100px; 
    width: 30%; 
}

.header {
    height: 150px; 
    position: relative; 
}

.header img {
    width: auto; 
    height: 100%; 
    position: absolute; 
    top: 0; 
    left: 0; 
    object-fit: cover; 
}
ul{
    margin: 0;
    padding: 0;
}
li{
    list-style-type: none;
    display: inline-block;
    margin-right: 60px;
    margin-left: 60px;
}

p{
    margin-right: 20px;
    color: rgb(0, 0, 0);
}
.titulo1{
    background: rgb(170, 255, 244);
}
.titulo2{
    background: rgb(244, 244, 245);
    display: flex;

}

.titulo2 {
    border: 10px solid rgb(22, 1, 1); 
    display: inline-block; 
    padding: 5px; 
    width: 50%;
  }
#foto2{
    width: 50%;
  }
#foto3{
    width: 50%;
  }
.pagina2{
    text-align: center;
    overflow: auto;
    margin-top: 40px;
} 
h3{
    color: rgb(12, 1, 1);
   width: -50%;
}
li{
    list-style-type: none;
    display: inline-block;
    margin-right: 60px
}
.copyright{
    color: white;
    font-size: 13px;
    margin: 10px;
}
footer{
    text-align: center;
    background-color: rgb(66, 158, 170);
    padding: 2px 0;
}