edx-platform/lms/static/sass/course/base/_base.scss

// lms - course - base
// ====================

// Table of Contents
// * +Containers
// * +Resets - Old, Body
// * +Resets - Old, Forms
// * +Resets - Old, Images
// * +Resets - Old, Misc


// +Containers
// ====================

.content-wrapper {
  background: none;
  border: none;
}

.container {
  padding: 0;

  > div {
    display: table;
    table-layout: fixed;
    width: 100%;
    border: 1px solid $border-color-2;
    background: $container-bg;
    box-shadow: 0 1px 2px $shadow-l2;

    @extend %ui-print-excluded;
  }
}


// +Resets - Old, Body
// ====================

body {
  min-height: 100%;
  background-color: $course-bg-color;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
label {
  @include text-align(left);

  font-family: $font-family-sans-serif;
}

// we want to hide the outline on the focusable <main> element
main {
  outline: none;
}

table {
  table-layout: fixed;
}

.xblock table {
  table-layout: auto;
  word-break: normal;
}

a {
  &:hover,
  &:focus {
    text-decoration: none !important;
  }

  @media print {
    text-decoration: underline !important;

    &:visited {
      text-decoration: underline !important;
    }
  }
}

// +Resets - Old, Forms
// ====================
form {
  label {
    display: block;
  }
}

form.choicegroup {
  label {
    clear: both;

    @include float(left);
  }
}


textarea,
input[type="text"],
input[type="email"],
input[type="password"] {
  background: $white;
  border: 1px solid $border-color-2;
  border-radius: 0;
  box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.6), inset 0 0 3px 0 $shadow-l1;
  box-sizing: border-box;
  font: normal 1em $font-family-sans-serif;
  height: 35px;
  padding: ($baseline/4) 12px;
  vertical-align: top;
  -webkit-font-smoothing: antialiased;

  &:last-child {
    margin-right: 0;
  }

  &:focus {
    border-color: lighten($link-color, 20%);
    box-shadow: 0 0 6px 0 rgba($blue, 0.4), inset 0 0 4px 0 rgba(0, 0, 0, 0.15);
  }
}

label {
  font-weight: normal;
  font-style: normal;
}

input[type="reset"],
input[type="submit"],
input[type="button"],
button,
.button {
  @extend .gray-button;

  form & {
    @extend .gray-button;
  }
}


// +Resets - Old, Images
// ====================
img {
  max-width: 100%;
}

.tooltip {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 99999;
  padding: ($baseline/2);
  border-radius: 3px;
  background: #ffffff;
  border-color: #000000;
  border-width: 2px;
  border-style: solid;
  font-size: 11px;
  font-weight: 400;
  color: #000000;
  pointer-events: none;
  opacity: 0;
  max-width: 200px;

  @include transition(opacity 0.1s linear 0s);

  &::after {
    content: '▾';
    display: block;
    position: absolute;
    bottom: -($baseline - 2);
    left: 50%;
    margin-left: -7px;
    font-size: 20px;
    color: #000000;
  }
}


// +Resets - Old, Misc
// ====================
.test-class {
  border: 1px solid #f00;
}

.site-status {
  display: block;
}

.toast-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 99999;
  max-width: 350px;
  padding: 15px 20px 17px;
  border-radius: 3px;
  border: 1px solid $border-color-3;
  background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0)) rgba(30, 30, 30, 0.92);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
  font-size: 13px;
  color: $white;
  opacity: 0;
  -webkit-transition: all 0.2s;

  p,
  span {
    color: $white;
  }

  strong {
    display: block;
    margin-bottom: ($baseline/2);
    font-size: 16px;
    font-weight: 700;
    text-align: center;
  }

  .close-btn {
    position: absolute;
    top: 0;
    right: 0;
    width: 27px;
    height: 27px;
    font-size: 22px;
    font-weight: 700;
    line-height: 25px;
    color: #aaa;
    text-align: center;

    .close-icon {
      font-size: 16px;
      font-weight: 700;
    }
  }

  .action-btn {
    @include dark-grey-button;

    margin-top: ($baseline/2);
    text-align: center;
  }
}