.btn{
color: #fff;
background-image: linear-gradient(90deg,#3e56a7,#04acff,#eaaaaa,#e11adc,#a0a00f,#3e56a7,#14accc);
background-size: 400%;
font-family: 'Cabin', sans-serif;
font-size: 18px;
font-weight: 600;
letter-spacing: 1px;
text-transform: capitalize;
padding: 10px 20px;
border-radius: 50px;
border: none;
position: relative;
z-index: 1;
transition: all 0.4s ease 0s;
}
.btn:focus,
.btn:hover{
color:#fff;
text-shadow:0 0 .5em rgba(255,255,255,0.8);
animation: animate 3s ease-out infinite;
}
.btn:before{
content: "";
background: rgba(0,0,0,0.9);
border-radius: 50px;
position: absolute;
top: 5px;
left: 5px;
right: 5px;
bottom: 5px;
z-index: -1;
}
@keyframes animate{
0%{
background-position : 0%;
box-shadow: 0 0 .6em #04acff;
}
50%{
background-position: 60%;
box-shadow: 0 0 .6em #e11adc;
}
100%{
background-position: 100%;
box-shadow: 0 0 .6em #3e56a7;
}
}
@media only screen and (max-width: 767px){
.btn{ margin-bottom: 30px; }
}