@media (max-width:767px){.middle-block{height:100%}}@media (min-width:768px){.middle-block{text-align:center;height:100%}.middle-block:before{content:'';display:inline-block;height:100%;vertical-align:middle}.middle-block__content{display:inline-block;vertical-align:middle;width:767px;text-align:left}}html,body{height:100%}.logo{text-align:center}