switch to transform instead of left for making the transition way more performant...

[lantea.git] / style / lantea.css

diff --git a/style/lantea.css b/style/lantea.css
index fd7ff623f5e0e04ccd87fa7e2917bf3a2229c03d..f1785fdddd4e187758d116e7796381f108aaf81e 100644 (file)
--- a/style/lantea.css
+++ b/style/lantea.css
@@ -112,21 +112,22 @@ h1 {
   position: absolute;
   top: 0;
   bottom: 0;
-  left: calc(-40ch - 1ch); /* account for padding */
+  transform: translateX(calc(-40ch - 1ch)); /* account for padding */
   width: 40ch;
+  max-width: 95%; /* make sure we don't overflow the screen */
   background-color: rgba(15, 15, 15, .9);
   color: #CCCCCC;
   border: 0;
   padding: 0 .5ch; /* account for legend */
   margin: 0;
   z-index: 10;
-  transition-property: left;
+  transition-property: transform;
   transition-duration: 1s;
   transition-timing-function: ease;
 }
 
 .menuDrawer:not(.hidden) {
-  left: 0;
+  transform: translateX(0);
 }
 
 @media screen and (max-width: 330px) {
@@ -156,6 +157,17 @@ h1 {
   height: 1.2em;
 }
 
+/* For optical conveniece, display an "x" for closing. */
+.menuDrawer > h2:after {
+  content: '\00D7'; /* multiplication sign */
+  display: inline-block;
+  vertical-align: text-top;
+  float: right;
+  margin-top: 0;
+  margin-right: .2em;
+  font-size: .75em;
+}
+
 /* Custom checkbox design */
 .menuDrawer input[type="checkbox"] {
   display: none;