/* ------------------------------------------
 * IT书包
 * 网址：www.itshubao.com
 * 整理：yinq<3331653644@qq.com> 
 -------------------------------------------- */

form {
  width: 100vw;
  height: 100vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-flow: column wrap;
      flex-flow: column wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
form .frame {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-flow: row nowrap;
      flex-flow: row nowrap;
}
form .frame input {
  display: none;
}
form .frame label {
  cursor: pointer;
  position: relative;
  width: 30px;
  height: 30px;
  margin: 10px;
  background: #369;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  font-size: 12pt;
  color: #FFF;
  font-smoothing: antialiased;
}
form .frame label.radio {
  border-radius: 100%;
}
form .frame label.check {
  border-radius: 5px;
}
form .frame label .fa {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  -webkit-transform: scale(0);
          transform: scale(0);
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  line-height: 30px;
  text-align: center;
}
form .frame input:checked + label {
  background: #2b5782;
}
form .frame input:checked + label .fa {
  opacity: 1;
  -webkit-transform: scale(1);
          transform: scale(1);
}