* {
    margin: 0;
    padding: 0;
}
body{
    background-color: #05cbe7;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #9beaf5, #05cbe7);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #9beaf5, #05cbe7); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */  
}
.container {
    display: grid;
    width: 100%;
    padding-top: 15px;
    justify-content: center;
}
header h1 {
    display: none;
}
.container img {
    width: 95%;
    max-width: 650px;
    border-radius: 5px;
    box-shadow: 2px 2px 10px #666;
    /* Sombra normal */
    box-shadow: 5px -5px 0 2px #444;
    /* Sombra superior sin desenfoque */
    box-shadow: 5px 5px 25px #222;
    /* Sombra interior */
    margin: auto;
}