.k-head {

    height: 90px;
    border-bottom: 1px solid #e2e2e2;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;    
    position: relative;

}

.k-head__logo {
    position: absolute;
    left: 44px;
    top: 16px;
}

.k-head__back {
    position: absolute;
    right: 42px;
    top: 20px;
    text-align: center;
    font-size: 17px;
    line-height: 50px;
    color: #fff;
    font-family: 'helveticaneuecyrmedium';
    height: 50px;
    text-decoration: none;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;     
    -webkit-border-radius: 24px; 
    -moz-border-radius: 24px; 
    border-radius: 24px; 
    width: 220px;
    background: #008fef;
}