bbc-young-reporter/_site/css/global.css

/* change theme */
:root {
    --mdc-theme-primary: #273967;
    --mdc-theme-secondary: #ef6c00;
}

.mdc-text-field--focused:not(.mdc-text-field--disabled) .mdc-floating-label, .mdc-list-item--activated .mdc-list-item__text, .mdc-drawer .mdc-list-item--activated .mdc-list-item__graphic {
   color: var(--mdc-theme-primary);
}

body {
    font-family: 'Roboto', sans-serif;
    display: flex;
    margin: 0;
}

a {
    color: var(--mdc-theme-secondary);
}

.mdc-list-group h3 {
    margin: 20px 16px auto 16px;
    font-weight: normal;
}

.mdc-drawer-app-content {
    flex: auto;
    overflow: auto;
}

.main-content {
    margin: 15px;
    overflow: auto;
}

.app-bar {
    position: absolute;
}

footer {
    margin: 15px;
    overflow: auto;
}

/* edit footer depending on screen size - edits alignment & changes switches between center- and left- aligned BBC Young Reporter logos */
footer span {
  position: relative;
  top: 19px;
}

footer img {
  display: block;
  width: 125px;
  float: right;
  content: url("/images/young-reporter-logo.png");
  vertical-align: middle;
}

@media screen and (max-width: 800px) {
    footer {
      text-align: center;
    }
    footer img {
        float: none;
        margin: auto;
        content: url("/images/young-reporter-logo-centered.png");
        width: 200px;
        padding-bottom: 10px;
    }
    footer span {
      top: 0;
    }
}

/* add side margins */
.main-content, footer {
    margin-left: 15%;
    margin-right: 15%;
}
@media screen and (max-width: 600px) {
    .main-content, footer {
        margin-left:  5%;
        margin-right: 5%;
    }
}
@media screen and (max-width: 500px) {
    .main-content, footer {
        margin-left:  2%;
        margin-right: 2%;
    }
}

/* for cookie notice */
#cookies {
    display: none;
    width: 100%;
    position: fixed;
    background: var(--mdc-theme-primary);
    color: var(--mdc-theme-background);
    text-align: center;
    bottom: -100px;
    left: 0;
    z-index: 1;
}

#cookies p {
    margin: 10px;
}

#cookies p a {
    color: var(--mdc-theme-secondary);
    text-decoration: none;
}


/* for scroll-to-top button */
.top-scroll-button {
    width: 50px;
    height: 50px;
    text-align: center;
    font-size: 25px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    position: fixed;
    right: 20px;
    bottom: 20px;
    background-color: #273967;
    display: none;
    -webkit-transition-duration: 0.25s;
    -moz-transition-duration: 0.25s;
    -o-transition-duration: 0.25s;
    transition-duration: 0.25s;
}

.top-scroll-button img {
    position: relative;
    top: 7px;
    width: 35px;
    height: auto;
    -webkit-transition-duration: 0.25s;
    -moz-transition-duration: 0.25s;
    -o-transition-duration: 0.25s;
    transition-duration: 0.25s;
}

.top-scroll-button:hover, .top-scroll-button:focus {
    background-color: #1C2E56;
}

.top-scroll-button:hover img {
    top: 3px;
}