.arcobaleno{font-size:auto;background-image:linear-gradient(to right,violet,orange,yellow,green,blue,indigo,violet);-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:move 150s linear infinite}@keyframes move{to{background-position:2500vh}}.arcobalenoVeloce{font-size:auto;background-image:linear-gradient(to right,violet,orange,yellow,green,blue,indigo,violet);-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:move 7s linear infinite}@keyframes move{to{background-position:2500vh}}.arcobalenolento{font-size:auto;background-image:linear-gradient(to right,violet,orange,yellow,green,blue,indigo,violet);-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:move 450s linear infinite}@keyframes move{to{background-position:2500vh}}hr.per{margin:0px;border:none;height:3px}hr.arco{border-radius:10px;background:#ff0000;background:-webkit-gradient(linear,left top,right bottom,color-stop(0%,#ff0000),color-stop(25%,#ffff00),color-stop(50%,#00ff00),color-stop(75%,#00ffff),color-stop(100%,#0000ff));background:-webkit-linear-gradient(-45deg,#ff0000 0%,#ffff00 25%,#00ff00 50%,#00ffff 75%,#0000ff 100%);background:-moz-linear-gradient(-45deg,#ff0000 0%,#ffff00 25%,#00ff00 50%,#00ffff 75%,#0000ff 100%);background:-o-linear-gradient(-45deg,#ff0000 0%,#ffff00 25%,#00ff00 50%,#00ffff 75%,#0000ff 100%);background:-ms-linear-gradient(-45deg,#ff0000 0%,#ffff00 25%,#00ff00 50%,#00ffff 75%,#0000ff 100%);background:linear-gradient(-45deg,#ff0000 0%,#ffff00 25%,#00ff00 50%,#00ffff 75%,#0000ff 100%)}