style.css

body {
    background-color:#1C1C1C;
}

header{
    background-color: white;
    padding: 20px 0;
}
.menu{
    position: relative;
    top: 0px;
   
}
nav {
    position: absolute;
    top: 0px;
     right: 0px;
}
nav li {
    display: inline;
    margin-right: 15px;
    
}
nav a{text-transform: uppercase;
    font-weight: bold;
    text-decoration: none;
}
.texto-principal {
    margin-right: 20%; 
}

h1 {
    color: #D3D3D3;
    text-align: center;
}
h2 {
    color: #483D8B;
}
p {
    color:  #5F9EA0;

}
#imagem-principal {
    width: 10%;
    margin-left: 80%;
    border: 5px dotted salmon;
    float: left;
    position: absolute;
}

.itens {
	color:  #5F9EA0;
	text-decoration: underline;
}
.texto-principal {
    margin-right: 20%; 
}

h1 {
    color: #D3D3D3;
    text-align: center;
}
h2 {
    color: #483D8B;
}
p {
    color:  #5F9EA0;

}
#imagem-principal {
    width: 100px;
    margin-left: 80%;
    border: 5px dotted salmon;
    float: left;
    position: absolute;
}