.about-btn{background:#17aeeb;border-radius:0;color:#fff;font-size:16px;font-weight:400;letter-spacing:2px;line-height:1.5em;padding:10px 20px;text-shadow:none;transition:all .4s ease;width:auto}.about-btn:hover{background:#19bfff}@media (max-width:768px){.about-btn{font-size:13px;letter-spacing:1px;padding:9px 15px}}