*, *:after, *:before {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  background: #333333;
  background-size: cover;
  height: 100vh;
}
.format-button {
  text-decoration:none;
  color:black;
  font-weight:bold;
  margin-right:25px;
  padding:10px;
  border:2px solid black;
background: -moz-linear-gradient(top, rgba(0,0,0,0.23) 1%, rgba(0,0,0,0) 99%, rgba(0,0,0,0) 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(top, rgba(0,0,0,0.23) 1%,rgba(0,0,0,0) 99%,rgba(0,0,0,0) 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom, rgba(0,0,0,0.23) 1%,rgba(0,0,0,0) 99%,rgba(0,0,0,0) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#3b000000', endColorstr='#00000000',GradientType=0 ) ;
  cursor: pointer;
  transition: all 0.3s ease-out;
  margin-bottom:40px;
}

.format-button:hover {
  background: black;
  color:white;
  font-weight:bold;
}

h1 {
  text-align: center;
  font-family: Tahoma, Arial, sans-serif;
  color: #06D85F;
  margin: 100px 0;
}

.box {
  width: 40%;
  margin: 0 auto;
  background: rgba(255,255,255,0.2);
  padding: 35px;
  border: 2px solid #fff;
  border-radius: 20px/50px;
  background-clip: padding-box;
  text-align: center;
}


.popup h2 {
  margin-top: 0;
  color: #FF671F;
  font-family: Tahoma, Arial, sans-serif;
}
.popup .close {
  position: absolute;
  top: 20px;
  right: 30px;
  transition: all 0.2s;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color: #333;
}
.popup .close:hover {
  color: #06D85F;
}
.popup .content {
  max-height: 30%;
  overflow: auto;
}

/*Let's make it appear when the page loads*/
.overlay:target:before {
    display: none;
}
.overlay:before {
  content:"";
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: block;
  background: rgba(0, 0, 0, 0.6);
  position: fixed;
  z-index: 9;
}
.overlay .popup {
  background: #fff;
  border-radius: 5px;
  width: 40%;
  position: fixed;
  top: 0;
  left: 35%;
  padding: 25px;
  margin: 70px auto;
  z-index: 10;
  -webkit-transition: all 0.6s ease-in-out;
  -moz-transition: all 0.6s ease-in-out;
  transition: all 0.6s ease-in-out;
}
.overlay:target .popup {
    top: -100%;
    left: -100%;
}

@media screen and (max-width: 768px){
  .box{
    width: 70%;
  }
  .overlay .popup{
    width: 70%;
    left: 15%;
  }
}
.modelP
{
    color: red;
    font-weight: bold;
	}