.navigation-box {
    top: .4rem;
    right: .8rem;
    width: 2rem;
    position: absolute;
}
@media (min-width: 768px){
    .breaking-caret:after {
        content: "";
        width: 0;
        height: 0;
        border-top: 20px solid transparent;
        border-left: 15px solid #007bff;
        border-bottom: 20px solid transparent;
        position: absolute;
        right: -15px;
        top: 0;
    }
}