custom.css

/* Space out content a bit */
body {
  display:flex;
  min-height: 100vh;
  flex-direction: column;
}

/* Everything but the jumbotron gets side spacing for mobile first views */
.header,
.footer {
  padding-right: 1rem;
  padding-left: 1rem;
}

form {
	max-width: 40rem;
    margin: auto;
	text-align: center;
}

form #rsid-selection {
	max-width: 40rem;
	float: left;
}

.content-container{
	flex: 1;
	padding-bottom: 1rem;
}

/* Custom page header */
.header {
  padding-bottom: 1rem;
  border-bottom: .05rem solid #e5e5e5;
}

/* Custom page footer */
.footer {
  padding-top: 0.2rem;
  color: #e9ecef;
  background-color: #666;
  border-color: #666;
}

.footer a, .footer strong {
  color: #e5e5e5;
}

/* Customize container */
.container{
	background-color: white;
	opacity: .94;
	z-index:1;
}
@media (min-width: 48em) {
  .container {
    max-width: 60em;
  }
}
.container-narrow > hr {
  margin: 2rem 0;
}

.jumbotron {
  text-align: center;
  border-bottom: .05rem solid #e5e5e5;
}
.jumbotron .btn {
  padding: .75rem 1.5rem;
  font-size: 1.5rem;
}

/* Responsive: Portrait tablets and up */
@media screen and (min-width: 48em) {
  /* Remove the padding we set earlier */
  .header,
  .footer {
    padding-right: 0;
    padding-left: 0;
  }
  /* Space out the masthead */
  .header {
    margin-bottom: 2rem;
  }
  /* Remove the bottom border on the jumbotron for visual effect */
  .jumbotron {
    border-bottom: 0;
  }
}

body{
background-color: #e5e2db;
background-image: url("/assets/imgs/topo.svg"), url("/assets/imgs/grid.svg")}

/* FontAwesome Specific */
/*!
 * Font Awesome Pro 5.0.1 by @fontawesome - http:https://fontawesome.com
 * License - http:https://fontawesome.com/license (Commercial License)
 */
svg:not(:root).svg-inline--fa {
  overflow: visible; }

.svg-inline--fa {
  display: inline-block;
  font-size: inherit;
  height: 1em;
  overflow: visible;
  vertical-align: -.125em; }
  .svg-inline--fa.fa-lg {
    vertical-align: -.225em; }
  .svg-inline--fa.fa-w-1 {
    width: 0.0625em; }
  .svg-inline--fa.fa-w-2 {
    width: 0.125em; }
  .svg-inline--fa.fa-w-3 {
    width: 0.1875em; }
  .svg-inline--fa.fa-w-4 {
    width: 0.25em; }
  .svg-inline--fa.fa-w-5 {
    width: 0.3125em; }
  .svg-inline--fa.fa-w-6 {
    width: 0.375em; }
  .svg-inline--fa.fa-w-7 {
    width: 0.4375em; }
  .svg-inline--fa.fa-w-8 {
    width: 0.5em; }
  .svg-inline--fa.fa-w-9 {
    width: 0.5625em; }
  .svg-inline--fa.fa-w-10 {
    width: 0.625em; }
  .svg-inline--fa.fa-w-11 {
    width: 0.6875em; }
  .svg-inline--fa.fa-w-12 {
    width: 0.75em; }
  .svg-inline--fa.fa-w-13 {
    width: 0.8125em; }
  .svg-inline--fa.fa-w-14 {
    width: 0.875em; }
  .svg-inline--fa.fa-w-15 {
    width: 0.9375em; }
  .svg-inline--fa.fa-w-16 {
    width: 1em; }
  .svg-inline--fa.fa-w-17 {
    width: 1.0625em; }
  .svg-inline--fa.fa-w-18 {
    width: 1.125em; }
  .svg-inline--fa.fa-w-19 {
    width: 1.1875em; }
  .svg-inline--fa.fa-w-20 {
    width: 1.25em; }
  .svg-inline--fa.fa-pull-left {
    margin-right: .3em;
    width: auto; }
  .svg-inline--fa.fa-pull-right {
    margin-left: .3em;
    width: auto; }
  .svg-inline--fa.fa-border {
    height: 1.5em; }
  .svg-inline--fa.fa-li {
    width: 2em; }
  .svg-inline--fa.fa-fw {
    width: 1.25em; }

.fa-lg {
  font-size: 1.33333em;
  line-height: 0.75em;
  vertical-align: -.0667em; }

.fa-xs {
  font-size: .75em; }

.fa-sm {
  font-size: .875em; }

.fa-1x {
  font-size: 1em; }

.fa-2x {
  font-size: 2em; }

.fa-3x {
  font-size: 3em; }

.fa-4x {
  font-size: 4em; }

.fa-5x {
  font-size: 5em; }

.fa-6x {
  font-size: 6em; }

.fa-7x {
  font-size: 7em; }

.fa-8x {
  font-size: 8em; }

.fa-9x {
  font-size: 9em; }

.fa-10x {
  font-size: 10em; }

.fa-fw {
  text-align: center;
  width: 1.25em; }

.fa-ul {
  list-style-type: none;
  margin-left: 2.5em;
  padding-left: 0; }
  .fa-ul > li {
    position: relative; }

.fa-li {
  left: -2em;
  position: absolute;
  text-align: center;
  width: 2em;
  line-height: inherit; }

.fa-border {
  border: solid 0.08em #eee;
  border-radius: .1em;
  padding: .2em .25em .15em; }

.fa-pull-left {
  float: left; }

.fa-pull-right {
  float: right; }

.fa.fa-pull-left,
.fas.fa-pull-left,
.far.fa-pull-left,
.fal.fa-pull-left,
.fab.fa-pull-left {
  margin-right: .3em; }

.fa.fa-pull-right,
.fas.fa-pull-right,
.far.fa-pull-right,
.fal.fa-pull-right,
.fab.fa-pull-right {
  margin-left: .3em; }

.svg-inline--fa.fa-stack-1x {
  height: 1em;
  width: 1em; }

.svg-inline--fa.fa-stack-2x {
  height: 2em;
  width: 2em; }

.fa-inverse {
  color: #fff; }