*{
    margin: 0;
    padding: 0;
}

.contenedor {
    background: #6a8e95;
    width: 1200px;
    margin: 0 auto;
}

header{
    background-color: #38d7b4;
    width: 1200px;  
}

ul{
    list-style-type: none;
    background-color: #6a5f9a;
    overflow: hidden;
}
li{
    float: left;
}
a{
    font-family:  'Fira Sans Condensed', sans-serif;;
    font-weight: 400;
    display: block;
    padding: 10px;
    text-decoration: none;
}
a:hover{
    color:#000000;
    background-color: #bbaa0e;
}
img{
    width: 100%;
}
.imgs-header{
    width: 1200px;
    height: 400px;
    overflow: hidden;
}
footer{
    background-color: #477e7e;
    width: 1200px;
    height: 60px;
    clear: both;
    text-align: center;
    padding: 20px 20px;
    box-sizing: border-box;
}
p{
    margin-left: 10px;
    margin-right: 10px;
    padding: 10px;
}
.parrafo{
    padding-bottom: 10px;
    font-family:  'Fira Sans Condensed', sans-serif;;   
    color: #61cdff;
}
h2{
    margin-left: 25px;
}
.leer{
    width: 100px;
    height: 50;
    border: 2px solid rgba(131, 139, 19, 0.774);
    text-align: center;
    margin-top: 10px;
    padding: 10px 10px;
    box-sizing: border-box;
    margin-bottom: 10px;
    margin-left: 10px;
}
.leer:hover{
    color:black;
    background: #81b352da;
}