a img {
    border: medium none;
}
body {
    background: url("../images/foto2.jpg") repeat scroll center center #F8F8F8;
    border-top: 30px solid #2E2E2E;
    height: 100%;
    margin: 0;
    padding: 0;
    width: 100%;
}
.centro {
    background: url("../images/blanco.png") repeat scroll 0 0 transparent;
    height: 150px;
    margin: 20px 0 0;
    padding: 0;
    width: 100%;
}
.centro form {
    margin: 0 auto;
    width: 650px;
}
.centro form img {
}
.centro form .marco {
    background: url("../images/fondo-login.jpg") no-repeat scroll 0 0 transparent;
    float: right;
    height: 224px;
    margin: 0;
    padding: 86px;
    width: 408px;
}
.renglon {
    float: left;
    margin: -30px 0 -37px;
    width: 100%;
}
label {
    color: #5D5D5D;
    float: left;
    font-family: arial;
    font-size: 16px;
    margin-top: 86px;
    width: 270px;
}
.renglon input {
    border: medium none;
    float: left;
    font-family: arial;
    font-size: 16px;
    margin-top: 1px;
    position: relative;
    width: 301px;
    z-index: 2;
}
.sub {
    background: url("../images/btn.jpg") no-repeat scroll 0 0 transparent;
    border: medium none;
    color: #031941;
    font-weight: bold;
    height: 25px;
    line-height: 25px;
    margin: 60px 0 0 240px;
    width: 91px;
}
a.logo {
    margin: 0 150px;
    width: auto;
}