#header{
    border: 5px solid black;
    margin: 35px auto;
    width: 95%;
    height: 112px;        
    font-weight: bold;
    font-size: 48px;
    color: red;
    display: flex;
    align-items: center;
    justify-content: center;
}

#nav{
    border: 5px solid black;
    margin: 0px auto 35px;
    width: 95%;
    height: 35px;
    background-color: #D9D9D9;
    display: flex;
    align-items: center;
    justify-content: center;
}

button{
    background-color: #FF9900;
    color: white;
    font-weight: bold;
    border: 2px solid black;
    border-radius: 25px;
    margin: 0px 10px;
    width: 250px;
    height: 90%;
    cursor: pointer;
}

#article{
    border: 5px solid black; 
    background-color: #EBF0F4;   
    width: 95%;
    height: 316px;
    margin: 0px auto 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#imagen{
    width: 600px;
    height: 100%;
    background-image: url("unadm.jpg");
    background-size: contain;
}

#footer{
    border: 5px solid black; 
    background-color: blue;   
    width: 95%;
    height: 100px;
    margin: auto;
    color: white;
    font-weight: bold;
}

li{
    list-style-type: none;
}

span{
    text-decoration: underline;
    font-style: italic;
}