* {
    box-sizing: border-box;
}

html {
    background-image: linear-gradient(to top, #1e0f1d, #061f2b);
    background-repeat: no-repeat;
    background-attachment: fixed;
    width: 100%;
    height: 100%;
}

body {
    color: #777;
    font-family: monospace;
}


.container {  
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto auto auto;
    grid-auto-rows: 1fr;
    gap: 5px;
    grid-auto-flow: row;
    grid-template-areas:
	"header header header"
	"content content content"
	"footer footer footer";
    margin-left: 20%;
    margin-right: 20%;
}

.header { grid-area: header; }

.content {
    grid-area: content;
    color: #fff;
    padding: 5px;
    margin-left: 10%;
    margin-right: 10%;
}

.footer { grid-area: footer; }