.tabbar {
    position: fixed;
    text-align: center;
    margin: 40px auto 0 auto;
    display: flex;
    flex-direction: row;
    z-index: 1;
}

.tabbar-button {
    display: block;
    height: 30px;
    padding: 2px 5px 2px 5px;
    color: white !important;
    border-top: 1px solid #1976D2;
    border-bottom: 1px solid #1976D2;
    cursor: pointer;
    background-color: #03A9F4;
}
.tabbar-left {
    border-left: 1px solid #1976D2;
    border-top-left-radius: 1vh;
    border-bottom-left-radius: 1vh;
    border-right: 1px solid #1976D2;
    padding-left: 10px;
}
.tabbar-middle {
    border-right: 1px solid #1976D2;
}
.tabbar-right {
    border-top-right-radius: 1vh;
    border-bottom-right-radius: 1vh;
    border-right: 1px solid #1976D2;
    padding-right: 10px;
}
.border-right {
    border-right: 5px solid #1976D2;
}

.tabbar-selected {
    background-color: #1976D2;
}

.tabbar-content {
    width: 100%;
    height: 100%;
}

.tabbar-content-hidden {
    display: none;
    width: 0;
    height: 0;
}

@media only screen and (orientation:portrait) {
    p {
        font-size: 24pt;
    }
    a {
        font-size: 24pt;
    }
    li {
        font-size: 24pt;
    }
    .tabbar {
        margin-top: 20px;
    }
    .tabbar-button {
        height: 50px;
    }
}