style.css

body {
    background-color:#5c5550;
    
}
header {
    background: white;
    padding: 20px 0;
}
#logo { 
    width: 25%;
}
nav {
    position: absolute;
    top:0px;
    right: 0px;
}
nav li{ 
    display: inline;
    margin: 0 0 0 15px;
    }
nav a {
        text-decoration: none;
        text-transform: uppercase;
        font-weight: bold;
    }
.menu {position: relative;
}
    .texto-principal {
    margin-right: 20%; 
}

h1 {
    color: #D3D3D3;
    text-align: center;
}
h2 { text-align: center;
    color: #f2f1f5;
}
p {
    color:  #5F9EA0;

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

.principal li {
    display: inline-block;
    border: 10px solid black;
    margin-left: 10px;
    padding: 10px;
    border-radius: 36px 41px 1px 7px;
}
.principal h3 { text-align: center;
font-weight: bolder;}

footer{background: #032829;
    padding: 20px;
}
.rodape{ 
    text-align: center;
    color: rgb(165, 203, 241);
}
nav li :hover {
    color: rgb(217, 18, 18);
    font-size: 30px;
    } 
.principal li :active{
    font-size: 40px;
    color: aqua;
    background-color: rgb(146, 13, 104);
}