.animated-column{background-size:100% 100%;transition:background-size 0.5s ease-in-out}.animated-column:hover{background-size:120% 120%}body h1{font-size:50px}body h2{font-size:40px}body h3{font-size:30px}body h4{font-size:25px}body h5{font-size:20px}body h6{font-size:15px}