html, body {
     margin: 0;
     padding: 0;
     height: 100%;
}

#content{

    margin-left: auto;
    margin-right: auto;
    position: fixed;
    text-align: center;
    top: 10%;
    width: 100%;


    }

#footer{
    position:fixed;
    bottom:0;
    text-align:center;
    margin:0;
    width:100%;
    background-color:#fff;
}
#footer img{
	width:15%;
}
#letra{
    color: #B1AFAF;
    font-family: Arial;
    font-size: 13px;
    font-weight: normal;
    letter-spacing: normal;
    line-height: 1.5em;
}

.letra_frase{
    color: #B1AFAF;
    font-family: Arial;
    font-size: 13px;
    font-weight: normal;
    letter-spacing: normal;
    line-height: 1.5em;
}

#letra a{
	color:#000;
	font-size:13px;
}
#logos{

    height: 100%;
    text-align: center;
}
#loxa{
position:fixed;
bottom:25px;
}

#about{
    position:relative;
    margin-left:250px;
    margin-right:250px;
    text-align:justify;
}
.btnsearch{
    background:url('http://serendipity.utpl.edu.ec/static/imgs/btn.jpg') no-repeat center;
    border: medium none;
    height: 50px;
    width: 250px;
}

img {border:0;}