* {
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
body {
  background: #F0F0F0;
  width: 100vw;
  height: 100vh;
  color: #585858;
}
img {
  border: 0;
  outline: transparent;
  pointer-events: none;
}
nav {
  position: fixed;
  top: 3vh;
  left: 10.4vh;
}
nav .backbtn {
  width: 13vh;
  max-width: 8.2vw;
}
nav .backbtn img {
  width: 100%;
}
input, select {
  border: 0;
  outline: 0;
}
header {
  height: 20vh;
  font-size: 4.8vh;
  line-height: 1;
  padding-top: 6.7vh;
  box-sizing: border-box;
  margin-left: 10.4vh;
}
.addback header {
  margin-left: 27.7vh;
}
.contw {
  width: 133vh;
  margin: 0 auto;
}
input {
  -webkit-user-select: auto;
}
textarea {
  -webkit-user-select: auto;
}