position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);hacky
avoid side to side slide
html, body {
max-width: 100%;
overflow-x: hidden;
}position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);html, body {
max-width: 100%;
overflow-x: hidden;
}