@import url("https://fonts.googleapis.com/css?family=Open+Sans");

html {
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body,
html {
  margin: 0px;
  padding: 0px;
  font-size: 16px;
  font-family: "open sans", arial, sans-serif;
  color: #fff;
  background-color: #3498db;
}

h2 {
  text-align: center;
}

.content {
  display: grid;
  grid-gap: 10px;
  align-content: center;
  max-width: 600px;
  margin: 20px auto 50px;
}

.item1 {
  grid-template-columns: 1 / -1;
  text-align: center;
}

.item1 p {
  width: 100%;
}

.item2 {
  display: grid;
  grid-gap: 10px;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 10px;
}

.sub {
  width: 100%;
  height: 100%;
  text-align: center;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  -o-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: 1s;
  -webkit-transition: 1s;
  -moz-transition: 1s;
  -o-transition: 1s;
  display: grid;
  align-content: center;
}

.sub:hover {
  transform: rotatey(-180deg);
  -webkit-transform: rotatey(-180deg);
  -moz-transform: rotatey(-180deg);
  -ms-transform: rotatey(-180deg);
  -o-transform: rotatey(-180deg);
  -webkit-transition-timing-function: ease;
  transition-delay: 0.2s;
  cursor: pointer;
}

.front,
.back {
  width: 100%;
  height: 100%;
  transform: rotateX(0deg);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  -ms-backface-visibility: hidden;
  -o-backface-visibility: hidden;
  position: absolute;
}

.back {
  transform: rotatey(180deg);
  -webkit-transform: rotatey(180deg);
  -moz-transform: rotatey(180deg);
  -ms-transform: rotatey(180deg);
  -o-transform: rotatey(180deg);
  position: relative;
}

.city__nameInput {
  display: block;
  background: transparent;
  color: #fff;
  font-weight: 100;
  padding: 0;
  margin: 0;
  font-size: 2rem;
  border: none;
  text-align: center;
  width: 100%;
  outline: none;
}

::placeholder {
  color: #fff;
}

hr {
  font-size: 0;
  margin: 5px auto;
  border-color: rgba(255, 255, 255, 0.4) !important;
  width: 50%;
}

.city__name,
.city__weather {
  text-transform: capitalize;
}

.city__weather {
  font-size: 1rem;
  letter-spacing: 0.03rem;
  font-weight: 100;
}
.city__temp {
  position: relative;
  font-size: 6rem;
  font-weight: 100;
}
.city__temp:after {
  content: "\00b0";
  position: absolute;
  font-size: 2.5rem;
  top: 10px;
}
.city__high__low,
.city__high__low p {
  display: inline-block;
  margin: 0;
}

.day__name {
  text-transform: uppercase;
  color: #fff;
  font-size: 24px;
  font-weight: 100;
}

img {
  width: 50px;
}

.day__low {
  color: rgba(255, 255, 255, 0.4);
}