.back-gradient {
height: 100%;
width: 100%;
left:0;
right: 0;
top: 0;
bottom: 0;
position: absolute;
background: linear-gradient(90deg, #e60073, #e60000, #ff9966, #ffff66, #1affd1, #6600ff, #cc00ff, #e60073);
background-size: 1000% 600%;
-webkit-animation: Gradient 15s ease infinite;
-moz-animation: Gradient 15s ease infinite;
animation: Gradient 15s ease infinite;
}
p{
height: 100%;
font-size: 50px;
color: white;
margin-top: 5%;
}
@-webkit-keyframes Gradient {
0% {
background-position: -1% 0;
}
100% {
background-position: 110% 0;
}
}