#masthead .masthead-inner,
#masthead .masthead-center {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}
#masthead .masthead-left,
#masthead .masthead-center .masthead-center-left {
    margin-right: 10px;
}
#masthead .masthead-right {
    margin-left: 10px;
}
#masthead .masthead-top {
    text-align: right;
    background-color: #2222;
}

@media all and (max-width: 800px) {
    #masthead .masthead-center {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
    }
    #masthead {
        padding-top: 35px;
    }
    #masthead .masthead-center-right .phone-number {
        position: fixed;
        right: 0;
        top: 0;
        font-size: 2.6em;
        width: 100%;
        text-align: right;
        background-color: lightblue;
    }
}

@media all and (max-width: 570px) {
    #masthead {
        padding-top: 40px;
    }
    #masthead .masthead-top {
        display: none;
    }
    #masthead .masthead-inner {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
    }
}