* {margin: 0;
    padding:0;}

body { background-color: #78ac76;
    font-family: arial;}


#pagina { width: 960px;
    margin: 0 auto 0 auto;}


header {background-color: #fff; 
    width: 100%;
    height: 120px;}


header h1 { margin: 10 0 0 10;
    padding-top: 30px;
    color:#026c2f;}


nav { background: #fff;
    float: right;
   margin-right: 20px;
    }


nav ul { list-style-type: none;}

nav ul li { display: inline;}


nav ul li a {  color: #7ebc2a;
    text-decoration: none;
    margin:  argin-left: 10px;
    margin-right: 10px;}

nav ul li a:hover {  color: #000; }

main {width: 100%;}

section {background-color: rgba(255, 255, 255, 0.62);
    width: 100%;
    min-height: 700px;
     padding-top: 20px;
    padding-bottom: 30px;
    margin-top: 20px;
    margin-bottom: 20px;}

.primer {width: 96%;
    position: relative;
    min-height: 150px;
    background: rgba(193, 193, 193, 0.26);}


.primer p {padding: 0px;
    margin: 0px;}

.primer h2 { margin: 0 0 15 0;} 

#foto {float: right;
    position: absolute;
    top: 0px;
    right: 10px;
    border-radius: 75px 75px 75px 75px;
    overflow: hidden;
  }

article {width: 25%;
    padding: 2%;
    margin: 2%;
    position: relative;
    float: left;
    box-sizing: border-box;}

article p { padding: 7px;
    margin: 2px;}

footer {width: 100%;
    text-align: center;
    font-size: 12px;}