html { 
    background-color: #000; 
} 
body {
    min-height: 100vh;
    background:#fcfaf5;
    margin: 0 auto;
}
.bordeIcono{
    border-style: solid;
    border-color: white;
    border-radius: 9px;

}
.back {
    background: linear-gradient(146deg, #273572, #0d1226);
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
}
.div-center {
    width: 300px;
    height: 500px;
    background-color: #fff;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    max-width: 100%;
    max-height: 100%;
    overflow: auto;
    padding: 0em 2em;
    border-bottom: 2px solid #ccc;
    display: table;
}
div.content {
    display: table-cell;
    vertical-align: middle;
}