img{
    width: 70%;
}

h1{
    font-size: 5vw;
}



.main-content {
    max-width: 80%;
    margin: auto;
    min-width: 500px;
}
.box1{
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.div101{
    text-align: center;
    background-color: yellowgreen;
    padding-top: 1px;
    padding-bottom: 10px;
}
table, td{
    border: 1px solid black;
}
table{
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.table1 {
    width: 300px;
}
.table2 {
    width: 500px;

}
.table3 {
    width: 400px;
}
.col1 {
    width: 50px;
}












/* example
#p101{color: red; background-color: lightgray;}
p101.bold{font-weight: bold;}
.div101{font-size: 18px; font-style: italic;}
*/