body{
    margin: 25px 100px;
}

.back{
    padding-top: 21px;
}

table{
    border: 1px black solid;
    border-collapse: collapse;
    width: 600px;
}    

th.date{
    width: 50px;
}

th.title{
    width: 400px;
}

th.venue{
    width: 150px;   
}

th, td{
    text-align: left;
    padding: 5px;
    border-bottom: 1px black solid;
}

th{
    background-color: #e0e0e0;
    font-weight: 500;
}    

.year, .month{
    background-color: #cdcefc;
}    

.year{
    border-bottom: 1px black dashed;
}    

td{
    border: 1px black solid;
}    

th.date, th.title, th.venue{
    border: 1px black solid;
}