#header_main .av-logo-container {
    position: relative
}

.header-phone {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 10
}

.header-phone a {
    display: inline-block;
    background: #9b2230;
    color: #fff;
    font: 700 17px/1 'open sans', Helvetica, Arial, sans-serif;
    padding: 10px 28px;
    border-radius: 45px;
    text-decoration: none;
    letter-spacing: .4px;
    white-space: nowrap;
    margin-top: .3vw;
    transition: background .25s
}

.header-phone a:hover {
    background: #7f1b27;
    color: #fff
}

@media only screen and (max-width:1240px) {
    .header-phone a {
        font-size: 15px;
        padding: 11px 20px
    }
}

@media only screen and (max-width:1100px) {
    .header-phone {
        display: none
    }
}