.header-top {
    padding-top: 40px;
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    z-index: 10;
    position: fixed;
    top: 0;
    left: 0;
    transition: all .2s ease-in-out;
}

.header-top.fixed {
    padding-top: 10px;
    padding-bottom: 10px;
    background: rgba(0,0,0,0.75);
}

.header-top-block {
    max-width: 1320px;
    margin: 0 auto;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
}