body  {
    margin: 0;
    background-image:url(../imagenes/fondo.png);
    background-size: cover;
    padding:0;
    font-family: "Quicksand";
    color: white;
}
.volver {
    text-align: center;
    font-family: "Quicksand";
    color: white;
    font-size: 12px;
    padding: 0px 640px;
}
.page-container{
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: 100%;
}
header {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    align-content: center;
    justify-content:space-between;
    background-color: black ( 0, 0, 0, .9);
}
header h1 {
    margin-left: 30px;
    font-size: 20px;
}
.login {
    margin-top: 80px;
    margin-bottom: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 40%;
    height: 100%;
}
.fondo{
    width: 100%;
    background-color:rgba(255,255,255,.1);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    align-content: center;
    border-radius: 5px;     
}
.fondo img {
    margin-top: -75px;
    margin-bottom: 35px;
    width: 30%;
    border-radius: 50%;
    border: solid #fff 4px;
}
.fondo h2 {
    color: whitesmoke;
    text-align-last: center;
    font-size: 20px;
    margin-bottom: 20px;
}
.fondo form{
    width: 70%;
}
.imp {
    box-shadow: 0;
    border: 0;
    background-color: rgba(255,255,255,.1);
    width: 90%;
    margin-bottom: 35px;
    height: 30px;
    border: solid 1px #fff;
    font-size: 13px;
    color: white;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    text-align:  left;
    transition: all 250ms ease;
}
.fondo form .imp:focus{
    outline: 0px;
    background-color: rgba(255,255,255,.3);
    border: solid 2px rgba(255,255,255,.1);
}
.boton{
    width: 100%;
    height: 30px;
    font-size: 20px;
    border: 0;
    text-align: center;
    background: rgba(255, 0, 0, 0.0);
    border-bottom: solid 1px #fff;
    color: #fff;
    margin-top: 25px;
    transition: all 100ms ease;
}
.boton:hover{
    width: 120%;
    margin-left: -10%;
}
.boton:active{
    background-color: rgba(255, 255, 255,0.2);
    outline: 0;
    border: 0;
    border-radius: 5px;
}
.boton:focus{
    background-color: rgba(255, 255, 255,0.2);
    outline: 0;
    border: 0;
    border-radius: 5px;
}
.olvido{
    text-decoration: none;
    text-align: right;
    color: black;
    font-size: 12px;
}
.he:hover{
    color: whitesmoke;
}
.boton:hover{
    border: 100%;
}