h1{
    color:darkred;
    text-decoration: line-through;
    font-size: 40px;
    transition:all 1s;
}
h1:hover{
    font-size: 140px;
    color:green;
    
}

#outer{
    height: 500px;
    background:hotpink;
}


#inner{
    height: 50%;
    width: 50%;
    background: pink;

    padding: 20px;
    border: 40px coral;
    margin: 30px; 
}