.modal > label {
background: #FFD300;
color: #000;
cursor: pointer;
display: inline-block;
}

.modal-overlay {
background:#000;
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
text-align:center;
}

.modal-wrap {
position: relative;
margin: 10px auto;
width: 100%;
}

.modal-wrap label {
color: #fff;
cursor: pointer;
font-size: 30px;
}

input {
position: absolute;
z-index: -9999;
visibility: hidden;
}

.modal-overlay {
opacity:0;
	-webkit-transform: scale(0.5);
	-moz-transform: scale(0.5);
	-ms-transform: scale(0.5);
	-o-transform: scale(0.5);
	transform: scale(0.5);
	-webkit-transition: all 0.75s cubic-bezier(0.65, -0.55, 0.265, 1.55);
	-moz-transition: all 0.75s cubic-bezier(0.65, -0.55, 0.265, 1.55);
	-ms-transition: all 0.75s cubic-bezier(0.65, -0.55, 0.265, 1.55);
	-o-transition: all 0.75s cubic-bezier(0.65, -0.55, 0.265, 1.55);
	transition: all 0.75s cubic-bezier(0.65, -0.55, 0.265, 1.55);
z-index: -999;
}

input:checked ~ .modal-overlay {
opacity: 1;
	-webkit-transform: scale(1);
	-moz-transform: scale(1);
	-ms-transform: scale(1);
	-0-transform: scale(1);
	transform: scale(1);
z-index: 999;
}

.modal-wrap h4 {
    color: #fff;
}