* {
  margin: 0;
  padding: 0;
}
*,
*:before,
*:after {
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

img {
  width: 100%;
}
input::-webkit-input-placeholder {
  color: #b4b4b4;
}
input::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #b4b4b4;
}
input:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #b4b4b4;
}
input:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  color: #b4b4b4;
}
body {
  max-width: 800px;
  margin: 0 auto;
}