lowercase 'search' button

src/public/explore.php

@@ -217,7 +217,7 @@ $placeholder = Filter::plural($totalPages, [sprintf(_('Over %s page or enter the
       <form name="search" method="GET" action="<?php echo WEBSITE_DOMAIN; ?>/search.php">
         <h1><a href="<?php echo WEBSITE_DOMAIN; ?>"><?php echo _('YGGo!') ?></a></h1>
         <input type="text" name="q" placeholder="<?php echo $placeholder ?>" value="" />
-        <button type="submit"><?php echo _('Search'); ?></button>
+        <button type="submit"><?php echo _('search'); ?></button>
       </form>
     </header>
     <main>

src/public/index.php

@@ -256,7 +256,7 @@ $placeholder = Filter::plural($totalPages, [sprintf(_('Over %s page or enter the
       <form name="search" method="GET" action="<?php echo WEBSITE_DOMAIN; ?>/search.php">
         <h1><?php echo _('YGGo!') ?></h1>
         <input type="text" name="q" placeholder="<?php echo $placeholder ?>" value="" />
-        <button type="submit"><?php echo _('Search') ?></button>
+        <button type="submit"><?php echo _('search') ?></button>
       </form>
     </header>
     <!-- css animation : begin -->

src/public/search.php

@@ -300,7 +300,7 @@ if ($queueTotal = $memory->getByMethodCallback(
           <input type="radio" name="t" value="<?php echo $hostPageMime->mime ?>" <?php echo ($t == $hostPageMime->mime ? 'checked="checked"' : false) ?>/> <?php echo $hostPageMime->mime ?>
         </label>
         <?php } ?>
-        <button type="submit"><?php echo _('Search'); ?></button>
+        <button type="submit"><?php echo _('search'); ?></button>
       </form>
     </header>
     <main>

src/public/top.php

@@ -255,7 +255,7 @@ $placeholder = Filter::plural($totalPages, [sprintf(_('Over %s page or enter the
       <form name="search" method="GET" action="<?php echo WEBSITE_DOMAIN; ?>/search.php">
         <h1><a href="<?php echo WEBSITE_DOMAIN; ?>"><?php echo _('YGGo!') ?></a></h1>
         <input type="text" name="q" placeholder="<?php echo $placeholder ?>" value="" />
-        <button type="submit"><?php echo _('Search'); ?></button>
+        <button type="submit"><?php echo _('search'); ?></button>
       </form>
     </header>
     <main>