#gradient{background:linear-gradient(90deg,#e61e2b 0%,#1551bb 90%) 0 0/180% 180%;animation:6s infinite gradient-animation}@keyframes gradient-animation{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.btnDemo{color:#212529;text-align:center;cursor:pointer;background:#fff;border:1px solid #212529;width:100%;margin:5px;padding:6px;font-size:17px;transition:all .3s;display:inline-block}.btnDemo span{cursor:pointer;transition:all .3s;display:inline-block;position:relative}.btnDemo span:after{content:"»";opacity:0;transition:all .1s;position:absolute;top:0;right:-15px}.btnDemo:hover{color:#fff;background-color:#212529}.btnDemo:hover span{padding-right:15px}.btnDemo:hover span:after{opacity:1;right:0}#card_project{transition:all .3s}#card_project:hover{transition:all .3s;transform:scale(1.05)}