style.css

* {
    margin: 0;
    padding: 0;
    font-family: "Google Sans", sans-serif;
    box-sizing: border-box;
  }
  
  html,
  body {
    background-color: #fff;
    color: #202124;
    font-size: 15px;
    margin: 0;
    min-width: 360px;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 0;
  }
  
  main {
    margin: 0 auto;
    max-width: 900px;
  }

  /* --- Header --- */
  header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2em;
  }
  
  .header-logo {
    height: 4em;
  }
  
  .header-title {
    color: #5f6368;
    font-size: 2rem;
    padding-top: 4px;
    padding-left: 4px;
  }

  /* --- Form --- */
  #form-container {
    border-radius: 8px;
    border: 0.5px solid #d3d3d3;
    box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.302),
      0 2px 6px 2px rgba(60, 64, 67, 0.149);
    margin: 32px auto 16px auto;
    max-width: 496px;
    transition-duration: 0.218s;
    transition-property: background, border, opacity, box-shadow, transform;
    transition-timing-function: ease-in;
  }

  #form {
    position: relative;
    border: none;
    margin: 1px;
    border-radius: 8px;
    transition-duration: 0.218s;
    transition-property: background, border, opacity, box-shadow, transform;
    transition-timing-function: ease-in;
  }
  
  .form-open {
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
  }

  #note-text {
    width: calc(100% - 10px);
    min-height: 43px;
    margin: 0 5px;
    padding: 10px 10px;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5rem;
    letter-spacing: 0.00625em;
    border: 0;
    overflow: hidden;
    position: relative;
  }
  #note-title {
    display: none;
    width: calc(100% - 10px);
    min-height: 43px;
    margin: 0 5px;
    padding: 10px 10px;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5rem;
    border: 0;
  }

  #form-buttons {
    display: none;
    text-align: right;
  }

#submit-button,
#form-close-button {
  margin: 0.2em 0;
  box-sizing: border-box;
  color: rgba(0, 0, 0, 0.87);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.01785714em;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25rem;
  height: 36px;
  padding: 8px 24px;
  border-radius: 4px;
  border-color: transparent !important;
  background-color: rgb(251, 251, 251);
}

#submit-button {
  color: #fff;
  background-color: #007bff;
}

#submit-button:hover,
#form-close-button:hover {
  filter: brightness(95%);
}

/* --- Placeholder --- */
#placeholder {
  margin-top: 10vh !important;
  display: flex;
  align-items: center;
  flex-direction: column;
}

#placeholder-logo {
  height: 120px;
  margin: 20px;
  opacity: 0.1;
  width: 120px;
}

#placeholder-text {
  color: #80868b;
  cursor: default;
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.75rem;
}

/* --- Notes --- */
#notes-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.note {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin: 16px;
  width: 250px;
  background-color: #fff;
  border-color: #e0e0e0;
  border: 1px solid #d3d3d3;
  box-sizing: border-box;
  overflow: hidden;
  position: relative;
  border-radius: 8px;
  transition-duration: 0.218s;
  transition-property: background, border, opacity, box-shadow, transform;
  transition-timing-function: ease-in;
}

.note:hover {
  box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.302),
    0 1px 3px 1px rgba(60, 64, 67, 0.149);
}

.note-title {
  padding-top: 12px;
  letter-spacing: 0.00625em;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5rem;
  min-height: 38px;
  padding: 16px 16px 0 16px;
  transition: background-color 0.218s ease-in;
  box-sizing: border-box;
  font-variant-ligatures: none;
  outline: none;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.note-text {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.5rem;
  min-height: 30px;
  letter-spacing: 0.01428571em;
  padding: 4px 16px 12px 16px;
  box-sizing: border-box;
  font-variant-ligatures: none;
  outline: none;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* --- Toolbar --- */
.toolbar {
  opacity: 0;
  flex-direction: row-reverse;
  align-items: center;
  color: rgba(0, 0, 0, 0.54);
  display: flex;
  font-size: 12px;
  line-height: 26px;
  margin: 4px 0;
  position: relative;
  transition: opacity 0.218s ease-in-out, background-color 0.218s ease-in-out,
    box-shadow 0.218s ease-in-out;
}

.toolbar:hover {
  opacity: 1;
}

.toolbar-color,
.toolbar-delete {
  height: 20px;
  margin: 0 8px;
  width: 20px;
  margin: 0 3px;
  cursor: pointer;
  color: #202124;
  opacity: 0.71;
}

/* --- Modal --- */
.modal {
  position: fixed;
  left: 0;
  z-index: 200;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(229, 229, 229, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: scale(1.1);
  transition: visibility 0s linear 0.25s, opacity 0.25s 0s, transform 0.25s;
}

.modal-content {
  box-shadow: 0 1px 3px 0 rgba(60, 64, 67, 0.302),
    0 4px 8px 3px rgba(60, 64, 67, 0.149);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: white;
  padding: 1rem 1.5rem;
  width: 24rem;
  border-radius: 0.5rem;
}

.modal-title {
  width: calc(100% - 10px);
  min-height: 43px;
  margin: 0 5px;
  font-weight: 500;
  line-height: 1.5rem;
  letter-spacing: 0.00625em;
  border: 0;
  overflow: hidden;
  position: relative;
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.75rem;
  padding-bottom: 12px;
  padding-top: 16px;
}

.modal-text {
  width: calc(100% - 10px);
  min-height: 43px;
  margin: 0 5px;
  padding: 10px 10px;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5rem;
  letter-spacing: 0.00625em;
  border: 0;
  overflow: hidden;
  position: relative;
  color: #202124;
  font-size: 14px;
  line-height: 19px;
  min-height: 46px;
  padding: 4px 16px 12px 0px;
}

.modal-update-button {
  float: right;
  margin: 0.2em 0;
  box-sizing: border-box;
  color: rgba(0, 0, 0, 0.87);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.01785714em;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.25rem;
  height: 36px;
  padding: 8px 24px;
  border-radius: 4px;
  border-color: transparent !important;
  background-color: rgb(251, 251, 251);
  cursor: pointer;
}

.modal-update-button:hover {
  background-color: rgba(95, 99, 104, 0.039);
}

.open-modal {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  transition: visibility 0s linear 0s, opacity 0.25s 0s, transform 0.25s;
}

/* --- ColorOptions */

#color-tooltip {
  border-bottom: 2px solid #fff;
  position: absolute;
  top: 15px;
  background: #fff;
  border: 1px solid black;
  left: 0;
  z-index: 20;
  border-radius: 5px;
  display: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  padding: 5px 7px 3px;
  width: 136px;
  height: 40px;
  justify-content: space-between;
}

.color-option {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  border: 1px solid #dedede;
}

.color-option:hover {
  border: 1px solid black;
}

#white {
  background: white;
}

#purple {
  background: #d7aefb;
}

#orange {
  background: #fbbc04;
}

#teal {
  background: #a7ffeb;
}