body {
    font-family: Helvetica, sans-serif;
    margin: 0px;
    padding: 2rem 10%;
    background-color:rgb(165,28,48);
}

header,
main,
footer {
    border-style: solid;
    border-width: 0.25rem;
    border-color: black;
    background-color: white;
    margin-block-end: 2rem;
    padding: 1rem;
}
h1, h2, h3, h4, h5, h6 {
    color: rgb(165,28,48);
}
header {
    background-color: rgb(0,0,0);
    background-image: url(../images/opte-internet.jpg);
    background-position-x: 50%;
    background-position-y: 90%;
    background-repeat: no-repeat;
}
header h1 {     
    font-size: 3em;
    text-align: center;
    color: rgb(255,255,255);
    text-shadow: 0.05em 0.05em black;
}
footer { text-align: center; } 
section {
    background-repeat: no-repeat;
    padding-inline-start: 125px;
    background-size: 100px;
    min-height: 125px;
    margin-block-end: 2rem;
}
section.html {
    background-image: url('../images/logo-html5.png');
}
section.css {
    background-image: url('../images/logo-css3.png');
}
section.js {
    background-image: url('../images/logo-js.png');
}
section p { line-height: 1.5;}

a:link, a:visited, a:hover, a:active {
    color: rgb(0,0,255);
    text-decoration: none;
} 
a:hover { 
    text-decoration: underline;
}