A couple CSS patching, making the Canvas LMS much easier to use.

canvas.css

.ic-Layout-watermark {
  background: linear-gradient(0deg, #f5f6f9, rgba(255, 255, 255, .8) 60%), url(https://www.iastate.edu/files/styles/banner/public/images/2022-06/HP_CampusRainbow22.jpg) fixed !important;
  background-blend-mode: normal;
  width: calc(100vw - 54px);
}
.quiz-header h1, .quiz-header h2 {
  margin-top: 0;
  font-weight: normal !important;
  font-family: "Cooper BlkHd BT" !important;
  font-size: 2rem !important;
}

/* quiz stylings */
.quiz-header {
  border-bottom: none !important;
}

#questions.assessing {
  border: 2px solid #c7cdd1;
  border-radius: 1rem;
  box-shadow: 0px 2px 4px #cce9ff inset;
  padding-top: 30px;
}
.form-actions {
  border: none !important;
}
.assignment-student-header {
  background-color: none !important;
}
#assignments-student-footer {
  backround-color: none !important;
}


body.ic-framed-lti-tool .ic-Layout-contentMain {
  margin: 24px !important;
}


.header-bar
{
  padding: 1rem .5rem;
  border: 0 !important;
  margin-bottom: 1rem;
}

#content-wrapper .header-bar, #content-wrapper .item-group-container
{
  border-radius: 5px;
  box-shadow: 0px 3px 5px #00000030;
}

.header-bar .header-bar-left
{
  min-width: 33%;
}

select.ic-Input, textarea.ic-Input, input[type="text"].ic-Input, input[type="password"].ic-Input, input[type="datetime"].ic-Input, input[type="datetime-local"].ic-Input, input[type="date"].ic-Input, input[type="month"].ic-Input, input[type="time"].ic-Input, input[type="week"].ic-Input, input[type="number"].ic-Input, input[type="email"].ic-Input, input[type="url"].ic-Input, input[type="search"].ic-Input, input[type="tel"].ic-Input, input[type="color"].ic-Input, .uneditable-input.ic-Input
{
  border-radius: 5px;
}

::placeholder
{
  text-style: italic;
}

.with-left-side #left-side
{
  text-align: right;
}
.ic-app-nav-toggle-and-crumbs
{
  margin: 0 !important;
  padding: 0 24px !important;
}

.list-view a.active
{
  border-left: 0;
  border-right: 4px solid #2d3b45;
  padding-right: 4px;
  background: linear-gradient(to right, transparent, white);
}
.EmptyDays-styles__root
{
  background: none !important;
}

.ic-Dashboard-header__layout
{
  margin: 0 -24px;
  padding: 0 24px;
}
.Grouping-styles__items {
  background: white;
}

.Day-styles__root {
  background: none !important;
}

body:not(.full-width):not(.outcomes):not(.body--login-confirmation) .ic-Layout-wrapper {
  max-width: initial !important;
}

#right-side {
  position: sticky;
  top: 20px;
}

/* make select box usable for quizzes */
.question_holder .answer select, .question_holder .answer .pull-left {
  width: auto !important;
}

.question_holder .pull-left:first-child {
  min-width: 30%;
  margin-right: .5rem;
}
h1, h2, h3, h4, h5, h6 {
  font-family: sans-serif !important;
}
html {
  font-family: sans-serif, "Lato Extended","Lato","Helvetica Neue",Helvetica,Arial !important;
}

select {
  border: 1px solid #ccc;
  box-shadow: 0px -1px 2px #bfd7d7 inset;
  background: white;
  height: auto !important;
}