add mobile bar button

styles/mobile_bar_style.css

@@ -13,12 +13,67 @@
     background: var(--bg);
 }
 
+#navbar-mobile.inactive {
+    display: none;
+}
+
 @media (min-width: 1001px) {
     #navbar-mobile {
         display: none;
     }
 }
 
+.button-mobile {
+    position: relative;
+    width: 40px;
+    height: 40px;
+    background: var(--surface);
+    border: none;
+    margin-top: 10px;
+    cursor: pointer;
+}
+
+.button-mobile::before {
+    content: "";
+    position: absolute;
+    left: 50%;
+    top: 30%;
+    background: var(--text);
+    height: 2px;
+    width: 60%;
+    transform: translateX(-50%);
+}
+
+.button-mobile::after {
+    content: "";
+    position: absolute;
+    left: 50%;
+    top: 65%;
+    background: var(--text);
+    height: 2px;
+    width: 60%;
+    transform: translateX(-50%);
+}
+
+.button-mobile:hover {
+    width: 40px;
+    height: 40px;
+    background: var(--bg2);
+    border: none;
+    margin-top: 10px;
+}
+
+#button-mobile {
+    position: fixed;
+    top: 5px;
+    left: 5px;
+    margin-top: 0;
+}
+
+#button-mobile.inactive {
+    display: none;
+}
+
 .navbar-item-mobile {
     width: 100%;
     height: 80px;
@@ -26,7 +81,6 @@
     display: flex;
     align-items: center;
     justify-content: center;
-    padding: 10px;
 }
 
 .navbar-item-mobile:hover {
@@ -41,4 +95,5 @@
     display: flex;
     justify-content: center;
     align-items: center;
+    padding: 10px;
 }

styles/projects_style.css

@@ -1,17 +1,19 @@
 .main-content {
     margin-left: var(--nav-w);
     --margin-main-content: 100px;
+    --margin-top: 100px;
 }
 
 @media (max-width: 1000px) {
     .main-content {
-        margin-left: var(--nav-mobile-w);
+        margin-left: 0;
         --margin-main-content: 10px;
+        --margin-top: 30px;
     }
 }
 
 #introduction {
-    padding-top: 100px;
+    padding-top: var(--margin-top);
     margin-left: var(--margin-main-content);
     margin-bottom: 60px;
     margin-right: var(--margin-main-content);