<div class="loading">Submit</div>
body {
position: relative;
height: 100vh;
overflow: hidden;
}
.loading {
width: 150px;
height: 40px;
border: 5px solid #2FCE9E;
border-radius: 50px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%), rotate(0deg); 
}