html {
    background: no-repeat center center;
    min-height: 100%;
    background-size: cover;
}

body {
    font-family: 'Fira Sans', sans-serif;
    font-weight: normal;
}

a {
    text-decoration: none;
}

a.disabled {
    pointer-events: none;
    cursor: default;
}

hr {
    border: 1px solid lightcyan;
}

button:focus {
	outline: none;
}

.main.container-outer {
    background: black;
    padding: 5px;

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.container-inner {
    border: 3px solid mediumseagreen;
    padding: 10px;
}

.main.container-inner {
    max-height: 500px;
    overflow: auto;
}

.text {
    color: lightcyan;
    margin: 5px;
}

.text.centered-text {
    text-align: center;
}

@media screen and (max-height: 525px) {
    .main.container-inner {
        max-height: 300px;
    }
}