* {
    box-sizing: border-box;
}

.nav {
    height: 60px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
    display: flex;
}

.nav-item {
    width: 80px;
    line-height: 60px;
    text-align: center;
    cursor: pointer;
}

.nav-link {
    display: block;    
    width: 100%;
    height: 100%;
}

.nav-item:hover {
    border-bottom: 2px solid #2a8edd;
}

.nav-active {
    border-bottom: 2px solid #2a8edd;
}

.container {
    padding: 24px;
    min-height: calc(100vh - 120px)
}

.footer {
    height: 60px;
    padding: 16px 24px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
}