Add variable "wait". When this variable set, the annotsroll wait ignore some annotations, and wait before printing an otherone so there is no superposition. Can be passed as an options
.row{margin-top:10px}
footer{background:0 0;color:#000;float:left;font:inherit;position:inherit;width:100%}
.hand{cursor:pointer}
.btn-lg{width:100%;line-height:2;font-size:4vw;background-color:#E6E6E6}
.row{margin-left:0;margin-right:0}
.mons-content{width:100%}
.mons-button{box-sizing:content-box;background-color:#1e1e1e;border:10px solid #fff;float:left;margin:.5%;overflow:hidden;padding-bottom:20%;position:relative;width:45%}
.mons-button .content{box-sizing:content-box;height:90%;padding:5%;position:absolute;width:90%}
.mons-button .content .table{display:table;height:100%;width:100%}
.mons-button .content .table .table-cell{display:table-cell;text-align:center;vertical-align:middle;text-shadow:0 0 5px #fff}
.large-cat{font-size:300%;font-size:4vw}
.normal-cat{font-size:100%;font-size:2vw}
.send{background-color:#4cae4c}
.return{background-color:#e6e6e6}
.return,.send{padding-bottom:15%}
.row input{font-size:1.2em}
.messages{position:fixed;top:0;z-index:7000}
.success-border{border:10px solid #3c763d}
.error-border{border:10px solid #cb4442}