main.css

* {
    box-sizing: border-box;
}

html {
  --bg: white;
  --main: #7A9E9F;
  --accent: #FE5F55;
  --light: #B8D8D8;
  --dark: #4F6367;
  --mainTxt: black;
  --headTxt: white;
  --gray: #eeeeee;
}

html[data-theme='dark'] {
  --bg: #333333;
  --main: #2e494a;
  --accent: #FE5F55;
  --light: #5d6e6e;
  --dark: #233033;
  --mainTxt: white;
  --headTxt: white;
  --gray: #525252;
}

body {
    background-color: var(--bg);
    font-family: 'Open Sans Condensed', sans-serif;
    margin: 0;
}

/* ============Hamburger Menu============================================================================= */
#menuToggle
{
  display: block;
  position: relative;
  top: 0px;
  left: 0px;
  
  z-index: 1;
  
  -webkit-user-select: none;
  user-select: none;
}

#menuToggle a
{
  text-decoration: none;
  color: var(--headTxt);
  
  transition: color 0.3s ease;
}

#menuToggle a:hover
{
  color: var(--accent);
}


#menuToggle input
{
  display: block;
  width: 40px;
  height: 32px;
  position: absolute;
  top: -7px;
  left: -5px;
  
  cursor: pointer;
  
  opacity: 0; /* hide this */
  z-index: 2; /* and place it over the hamburger */
  
  -webkit-touch-callout: none;
}

/*
 * Just a quick hamburger
 */
#menuToggle span
{
  display: block;
  width: 33px;
  height: 4px;
  margin-bottom: 5px;
  position: relative;
  
  background: var(--headTxt);
  border-radius: 3px;
  
  z-index: 1;
  
  transform-origin: 4px 0px;
  
  transition: transform 0.5s cubic-bezier(0.77,0.2,0.05,1.0),
              background 0.5s cubic-bezier(0.77,0.2,0.05,1.0),
              opacity 0.55s ease;
}

#menuToggle span:first-child
{
  transform-origin: 0% 0%;
}

#menuToggle span:nth-last-child(2)
{
  transform-origin: 0% 100%;
}

/* 
 * Transform all the slices of hamburger
 * into a crossmark.
 */
#menuToggle input:checked ~ span
{
  opacity: 1;
  transform: rotate(45deg) translate(-2px, -1px);
  background: var(--accent);
}

/*
 * But let's hide the middle one.
 */
#menuToggle input:checked ~ span:nth-last-child(3)
{
  opacity: 0;
  transform: rotate(0deg) scale(0.2, 0.2);
}

/*
 * Ohyeah and the last one should go the other direction
 */
#menuToggle input:checked ~ span:nth-last-child(2)
{
  transform: rotate(-45deg) translate(0, -1px);
}

/*
 * Make this absolute positioned
 * at the top left of the screen
 */
#menu
{
  position: absolute;
  width: 250px;
  margin: -100px 0 0 -60px;
  padding: 125px 25px 50px 75px;
  /* padding-top: ; */
  
  background: var(--dark);
  list-style-type: none;
  -webkit-font-smoothing: antialiased;
  /* to stop flickering of text in safari */
  
  transform-origin: 0% 0%;
  transform: translate(-100%, 0);
  
  transition: transform 0.5s cubic-bezier(0.77,0.2,0.05,1.0);
}

#menu li
{
  padding: 10px 0;
  font-size: 22px;
}

/*
 * And let's slide it in from the left
 */
#menuToggle input:checked ~ ul
{
  transform: none;
}



.lastNav {
  display: flex;
}

.toggle-container {
  height: 27px;
  padding-left: 15px;
}
/* ============End Hamburger Menu============================================================================= */

#time {
    text-align: center;
    font-size: 0.8rem;
}

h1 {
    font-weight: normal;
    letter-spacing: 0.2em;
    text-align: center;
    margin: 0;
}

.course-name {
    margin: auto;
    text-align: center;
    letter-spacing: 0.2em;
    background-color: var(--accent);
}

header {
    /* height: 82px; */
    color: var(--headTxt);
    background-color: var(--main);
}

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0px 10px;
}

.profile-icon {
    vertical-align: bottom
}

.display {
    display: flex;
    align-items: center;
    padding: 5px;
    background-color: var(--gray);
}

.display > * {
    margin: 2px;
}

a {
    color: var(--mainTxt);
    text-decoration: none;
    font-weight: bold;
}

.small {
    font-size: 14px;
    color: var(--mainTxt);
}

.smallImage {
    width:40px;
    border-radius: 50%;
}

.nameAndStatus {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    padding-left: 3px;
}

#chatBox {
    background-color: var(--bg);
    width: 100%;
    position: absolute;
    bottom: 65px;
    top: 82px;
    right: 0px;
    left: 0px;
    overflow: scroll;
}

.message-display {
    padding: 0px 10px;
}

#newMsg {
    padding: 5px 10px;
}

::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: var(--dark);
  opacity: 1; /* Firefox */
}

:-ms-input-placeholder { /* Internet Explorer 10-11 */
  color: var(--dark);
}

::-ms-input-placeholder { /* Microsoft Edge */
  color: var(--dark);
}

p {
    margin: 0 10px;
    color: var(--mainTxt);
}

.username {
    color: var(--main);
    font-weight: bold;
}

.message {
    color: var(--mainTxt);
    line-height: 1.3;
}

.sentMsg {
  background-color: var(--light);
  padding: 10px 20px;
  border-radius: 0px 30px 30px 30px;
  width: fit-content;
  margin: 0 20px 10px 20px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(122, 158, 159, 0.2);
}

.content-right {
  display: flex;
  justify-content: flex-end;
}

.msg-right {
  border-radius: 30px 30px 0px 30px;
  background-color: var(--accent);
  color: var(--headTxt);
}

.display-right {
  display: flex;
  flex-direction: row-reverse;
  margin-left: 10px;
  margin-right: 20px; 
}

.sender {
  margin: 10px 10px 10px 20px;
}

.dateTime {
  padding-right: 10px;
  color: var(--mainTxt);
}

.senderAndDate {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer {
    background-color: var(--main);
    position: fixed;
    bottom: 0;
    width: 100%;
}

.msgInputArea{
    display: flex;
    align-items: flex-start;
    margin: 8px;
}

input[type=text] {
    width: 100%;
    padding: 10px !important;
    border-radius: 5px;
    border: none;
    font-family: 'Open Sans Condensed', sans-serif;
    font-size: 1.2rem;
    background-color: var(--light);
  }

#sendBtn {
    margin-left: 5px;
    padding: 10px;
    border-radius: 5px;
    border: none;
    font-family: 'Open Sans Condensed', sans-serif;
    font-size: 1.2rem;
    background-color: var(--dark);
    color: var(--headTxt);
  }

  .dark-title {
    font-weight: bold;
  }

  #left {
    display: none;
  }

  
  label[for=switch] {
    cursor: pointer;
    text-indent: -9999px;
    width: 52px;
    height: 27px;
    background: grey;
    display: inline-block;
    border-radius: 100px;
    position: relative;
  }
  
  label[for=switch]:after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 90px;
    transition: 0.3s;
  }
  
  input:checked + label[for=switch] {
    background: var(--accent);
  }
  
  input:checked + label[for=switch]:after {
    left: calc(100% - 5px);
    transform: translateX(-100%);
  }
  
  label[for=switch]:active:after {
    width: 45px;
  }




  label[for=switch2] {
    cursor: pointer;
    text-indent: -9999px;
    width: 52px;
    height: 27px;
    background: grey;
    display: inline-block;
    border-radius: 100px;
    position: relative;
  }
  
  label[for=switch2]:after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 90px;
    transition: 0.3s;
  }
  
  input:checked + label[for=switch2] {
    background: var(--accent);
  }
  
  input:checked + label[for=switch2]:after {
    left: calc(100% - 5px);
    transform: translateX(-100%);
  }
  
  label[for=switch2]:active:after {
    width: 45px;
  }



  html.transition,
  html.transition *,
  html.transition *:before,
  html.transition *:after {
    transition: all 750ms !important;
    transition-delay: 0 !important;
  }

  


  /* Desktop Layout ======================================================================================*/
  @media (min-width: 1024px) {
    #box {
      display: flex;
      width: 100%;
    }

    #chatBox {
      position: relative;
      top: 0;
      margin-bottom: 45px;
    }

    #right {
      width: 85%;
    }

    #left {
      display: flex;
      width: 15%;
      background-color: var(--light);
      justify-content: center;
    }

    #sidebar {
      display: flex;
      flex-direction: column;
      align-items: center;
      margin-top: 82px;
      padding: 15px;
      position: fixed;
    }

    #icon {
      width: auto;
      height: 45px;
    }

    .logo {
      display: flex;
      height: 45px;
      flex-direction: row;
      align-items: center;
    }
    
    .name {
      padding-left: 10px;
      font-size: 40px;
      color: var(--headTxt);
    }

    .display {
      display: none;
    }

    .display2 {
      padding: 70px 0 40px 0;
      text-align: center;
    }

    .smallImage {
      width: 150px;
      border: 5px solid var(--headTxt);
    }

    .nameAndStatus {
      line-height: 1.5;
      padding: 0px;
      font-size: 25px;
    }

    #userStatusDisplay {
      font-size: 18px;
    }

    .sideNav {
      font-size: 27px;
      padding: 10px 0;
      display: flex;
      align-items: center;
      border-top: 1px solid var(--main);
      color: var(--mainTxt);
    }

    .lastNav {
      border-bottom: 1px solid var(--main);
    }

    .toggle-container {
      height: 27px;
      padding-left: 50px;
    }

    input[type=checkbox]{
      height: 0;
      width: 0;
      visibility: hidden;
    }

    .signOut {
      font-size: 18px;
      position: fixed;
      bottom: 10px;
    }

    i {
      padding-right: 5px;
    }

    p {
      font-size: 20px;
      margin: 10px 10px 10px 20px;
    }

    footer {
      width: 85%;
    }

    #menu {
      display: none;
    }

    .burg {
      visibility: hidden;
    }
  }