Revert "fix: remove absolute from cover and remove margins, fixes https://github.com/NodeBB/NodeBB/issues/7969"

This reverts commit c7fd1a0b98.

less/account.less

@@ -33,6 +33,7 @@
 		background-origin: content-box;
 		width: 100%;
 		top: 50px;
+		position: absolute;
 		left: auto;
 		right: 0px;
 
@@ -153,6 +154,8 @@
 		}
 	}
 
+	margin-top: 200px;
+
 	.container {
 		height: 200px;
 		position: relative;
@@ -164,6 +167,8 @@
 	}
 
 	@media (min-width: @screen-md-min) {
+		margin-top: 300px;
+
 		.cover,  .container {
 			height: 300px;
 

less/mobile.less

@@ -25,6 +25,8 @@
 	}
 
 	.account {
+		margin-top: 256px;
+
 		.cover .controls i {
 			font-size: 3em;
 		}