body {
    box-sizing: border-box;
    font-family: "Helvetica", Sans-Serif;
    color: white;
    background-image: url("./fotos/background-cel.jpg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    height: 100vh;
    text-align: center;

}
header {
    padding: 30px 0px;
}

h1,
h2,
p {
    font-weight: 100;
}
h1{
    text-transform: uppercase;
}
h2{
    font-size: 16px;
}
button{
    background-color: white;
    border: unset;
    margin: 10px;
    height: 85px;
    width: 80vw;
    max-width: 300px;
    padding: 10px;
    border-radius: 37px;
}

a > img{
    display: block;
    margin: auto;
    width: 170px;
}

.titular{
    padding: 10px 0px;
}

.logoSid {
    display: block;
    margin: auto;
    width: 50vw;
    max-width: 150px;
    height: auto;
}
.btn-contenedor{
    display: flex;
    flex-direction: column;
    align-items: center;
}
footer{
    position: absolute;
    bottom: 0;
    line-height: 25px;
    padding-bottom: 30px;
    width: 100%;
}

@media (min-width:1024px){
    body {
        background-image: url("./fotos/background-desk.jpg");
    
    }
    h1{
        font-size: 35px;
    }
    footer{
        position: absolute;
        bottom: 0;
        line-height: 25px;
        padding-bottom: 10px;
        width: 100%;
    }
}