body{
    background-image: url(fitness-park-9.webp);
}
h1{
    color: rgb(255, 250, 250);
    text-align: center;
    font-family: serif;
    font-size: 25px;
    text-decoration:underline 2px solid;
    background-color: black;
    margin: 0;
    
}
h2{
  color: orange;
  margin-top: 100px;
}
ol{
    margin-top: 0%;
    width: 100%;
    padding: 0;
    margin: 0%;
    font-size: 0;
}
li{
    box-sizing: border-box;
    background-color:black;
    display: inline-block;
    width:32.3%;
    font-size: 16px;
    text-align: center;
    color: orange;
    padding: 1% 0;
    border-right: solid 1px black;
    font-weight: bolder;
}
a {
  color: inherit; 
  text-decoration: none; 
}


a:hover {
  text-decoration: underline; 
}
article {
display: inline-block;
width:50%;
vertical-align: top;
text-align: center;
}

section {
    text-align: center;
    margin: auto;
    vertical-align: top;
}

section img {
    width: 80%;          
     
}
img:hover{
    border: 2px solid orange;         /*Borde al pasar por encima de la imagen*/
}
o{
  color: orange;
}