body {
  background-color: rgb(163, 28, 48);
  padding-top: 3rem;
  padding-bottom: 3rem;
  padding-left: 10%;
  padding-right: 10%;
  font-family: helvetica, sans-serif;
}
header,
main,
footer {
  background-color: rgb(255, 255, 255);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-color: black;
  border-width: 3px;
  border-style: solid;
}
header {
    background-color: rgb(0,0,0);
    background-image: url('../images/opte-internet.jpg');
    background-position-x: 50%;
    background-position-y: 80%;
    background-repeat: no-repeat;


}
header h1 {
    color: rgb(255, 255, 255);
    text-align: center;
    font-size: 3.5rem;
    text-shadow: 3px 3px black;
}
h2 {
  color: rgb(163, 28, 48);
}

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

section {
    background-repeat: no-repeat;
    background-size: 6rem;
    padding-left: 7rem;
    margin-bottom: 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;
}