html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    min-height: 100%;
    overflow: hidden;
    background: #212121;
    font-family: "Ubuntu", sans-serif;
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 1 auto;
    overflow-y: scroll;
}

footer {
    /*flex: 0 0 auto;*/
    text-align: right;
}

header {
    flex: 0 0 auto;
}

.app-header {
    box-shadow: 1px 1px 10px rgb(33, 33, 33);
    overflow: hidden;
    -webkit-user-select: none;
    background-color: #404040;
    color: #ffffff;
    display: grid;
    grid-gap: 5%;
    grid-template-columns: 25% 40% 25%;
    height: auto;
    max-height: 100px;
    padding: 10px;
}

.title {
    margin: 5px;
    font-size: 2em;
}

.box {
    padding: 5px;
    height: 100%;
}

button {
    cursor: pointer;
}

.material-icon {
    font-family: Material Icons, sans-serif !important;
    font-weight: 400;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-feature-settings: "liga";
    -webkit-font-smoothing: antialiased;
}