html {
    height: 100%;
}

/* element's width is 53.9% of main window's width */
/* 1024px */
@media screen and (min-width: 367.6px) {
    .info-header {
        padding: 0;
        line-height: 32px;
    }

    .info-cell {
        bottom: 71.5%;
    }

    .element-cell,
    .table-heading {
        width: 3%;
    }

}
/* 1024~1279px */
/*@media screen and (min-width: 367.6px) and (max-width: 689.38px) {
    .periodic-info {
        font-size: 0.8rem;
    }    
} */