<button class="btn">CLICK ME</button>
body {
display: grid;
place-content: center;
width: 100vw;
height: 100vh;
overflow: hidden;
}
:root {
--borderColor: skyblue;
}
.btn {
padding: 6px;
font-size: 1.4em;
position: relative;
box-sizing: border-box;
width: 200px;
height: 100px;
border-radius: 6px;
background: var(--borderColor);
border: none;
color: #fff;
}
.btn::before,
.btn::after {
content: "";
position: absolute;
inset: -10px;
display: block;
border: 2px solid var(--borderColor);
z-index: -2;
border-radius: inherit;
animation: clippath 3s linear infinite;
}
.btn:after {
animation-delay: -1.5s;
}
@keyframes clippath {
0%,
100% {
clip-path: inset(0 0 98% 0);
}
25% {
clip-path: inset(0 98% 0 0);
}
50% {
clip-path: inset(98% 0 0 0);
}
75% {
clip-path: inset(0 0 0 98%);
}
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.