[fix] no horizontal scrolling on small screen

[fix] small images in the results aren't not "zoomed"

searx/static/default/less/style.less

@@ -126,6 +126,7 @@ fieldset {
 
 #categories {
 	margin: 0 10px;
+	.user-select;
 }
 
 .checkbox_container {
@@ -297,14 +298,14 @@ a {
 }
 
 .image_result {
-	float: left;
+	display: inline-block;
 	margin: 10px 10px;
 	position: relative;
-	height: 160px;
+	max-height: 160px;
 
 	img {
 		border: 0;
-		height: 160px;
+		max-height: 160px;
 	}
 
 	p {
@@ -501,7 +502,6 @@ tr {
 
 #pagination {
 	clear: both;
-    width: 40em;
 }
 
 #apis {
@@ -516,6 +516,7 @@ tr {
 	        padding: 0;
 	        width: 90%;
 	}
+
 	.github {
 		display: none;
 	}
@@ -591,6 +592,13 @@ tr {
 		border-top: 1px solid @color-result-top-border;
 		margin: 7px 0 6px 0;
 	}
+
+	.image_result {
+		max-width: 98%;
+		img {
+			max-width: 98%;
+		}
+	}
 }
 
 .favicon {