body{
    text-align: center;
    background: #1a2e45;
}

h1{
    background-color: coral;
    color: white;
}

#logobuh{ height: 100vh ;transform:rotate(0deg);transition: all 1.5s;}

#logobuh:hover{transform: rotate(360deg);transition:all 30s; height: 10vh;}