Fixed drag and drop issue on mobile devices (#84) (#90)

* Fixed drag and drop issue on mobile devices (#84)

* Fixed weird CSS container formatting by changing min-height to use vh

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Co-authored-by: Michael Zhao <michaelzhao314@gmail.com>
Co-authored-by: Michael Zhao <37679458+MichaelZhao21@users.noreply.github.com>

client/src/index.css

@@ -12,7 +12,7 @@ body {
     -moz-osx-font-smoothing: grayscale; */
     background-color: theme('colors.background');
     font-family: theme('fontFamily.text');
-    height: 100%;
+    min-height: 100vh;
     margin: 0;
     display: flex;
     flex-direction: column;