.f3-fixed-top {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
}
.f3-large {
    font-size: 28px!important;
}
.f3-container {
    width: 100%;   
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px){
    .f3-container {
        max-width: 768px;
    }
}

@media (min-width: 768px){
    .f3-container {
        max-width: 992px;
    }
}

@media (min-width: 992px){
    .f3-container {
        max-width: 1200px;
    }
}

@media (min-width: 1200px){
    .f3-container {
        max-width: 1440px;
    }
}