* {
  margin: 0;
  padding: 0;
}

body {
  text-align: center;
}

.fluid {
  width: 100%;
  max-width: 100%;
}

.screenshot {
  width: 100%;
  margin: auto;
  margin-top: 3em;
}
@media (min-width: 600px) {
  .screenshot {
    width: 80%;
  }
}

.call-to-action a {
  display: inline-block;
  background: rgb(33,164,211);
  color: white;
  font-size: 1em;
  text-decoration: none;
  padding: 1em 1em;
}
.call-to-action a:hover {
  background: rgb(23,120,154);
}
.call-to-action .button {
  height: 60px;
  padding: 0.8em 0;
}

p {
  color: rgb(65,65,65);
  font-size: 1.2em;
  padding: 1em 0 0 0;
}
a {
  color: rgb(65,65,65);
}

.graybg {
  background: rgb(236,239,241);
  color: rgb(45,45,45);
}

.btn {
  background: #f85555;
  font-size: 1em;
  color: white;
  padding: .5em 1em;
}
.btn:hover {
  cursor: pointer;
  background: #f33333;
}

header {
  padding: 2em 0;
}
header h1 {
  padding: 1.5em 0 0 0;
}
header .logo a {
  color: rgb(122,193,93);
  text-decoration: none;
}
header h2 {
  margin: 2em 1em 0 1em;
}

section {
  padding: 2em 0 2em 0;
}

footer {
  background: #555;
  min-height: 100px;
  font-size: 0.85em;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
}
footer a {
  color: white;
}

.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 140px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 150%;
    left: 50%;
    margin-left: -75px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #555 transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}