Use less padding in the login and register forms.

services/web/public/stylesheets/app/login-register.less

@@ -57,14 +57,14 @@
 
 		.login-register-form,
 		.login-register-sharelatex {
-			padding: @line-height-computed (@line-height-computed * 2);
+			padding: @line-height-computed;
 			border-bottom: solid 1px @hr-border;
 			&:last-child {
 				border-bottom-width: 0;
 			}
 		}
 		.login-register-other-links {
-			padding: @line-height-computed (@line-height-computed * 2);
+			padding: @line-height-computed;
 		}
 
 		.login-register-text,
@@ -112,7 +112,7 @@
 
 		.login-register-newsletter {
 			font-size: 90%;
-			margin: @line-height-computed -(2 * @line-height-computed) 0;
+			margin: @line-height-computed -(@line-height-computed) 0;
 			text-align: left;
 
 			& > .checkbox {