.heading-bgcolor{margin:30px 0 20px !important;padding:0.3em 1em;font-size:2rem}a{text-decoration:none}a .img02{display:none}a:hover{text-decoration:underline}@media only screen and (max-width: 640px){.img01{display:none}.img02{margin:0 auto;display:block !important}}