40/replication_package/oTree/_static/global/instructions.css

.box {
	width:100%;
	height:100%;
	background:#F5F5DC; /* biege color */
	margin:20px auto;
    padding: 10px 10px 10px 10px;
}

/*==================================================
 * Paper-like effect
 * ===============================================*/
.papereffect
{
  	position:relative;
    -webkit-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
       -moz-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
            box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
}
.papereffect:before, .papereffect:after
{
	content:"";
    position:absolute;
    z-index:-1;
    -webkit-box-shadow:0 0 20px rgba(0,0,0,0.8);
    -moz-box-shadow:0 0 20px rgba(0,0,0,0.8);
    box-shadow:0 0 20px rgba(0,0,0,0.8);
    top:0;
    bottom:0;
    left:10px;
    right:10px;
    -moz-border-radius:100px / 10px;
    border-radius:100px / 10px;
}
.papereffect:after
{
	right:10px;
    left:auto;
    -webkit-transform:skew(8deg) rotate(3deg);
       -moz-transform:skew(8deg) rotate(3deg);
        -ms-transform:skew(8deg) rotate(3deg);
         -o-transform:skew(8deg) rotate(3deg);
            transform:skew(8deg) rotate(3deg);
}