I need help finding 7 errors in this code, please help!

Code Below:

HTML:

Midwest University

Class Schedule

Hour	Mon	Tue	Wed	Thu	Fri
First Semester, 2021
8:00am	Calculus 201	History 218	Calculus 201	History History 281	Calculus 201 Discussion
9:00am	Open	German 201	Open	German 201
10:00am	Ethnic Studies 120	Open	Ethnic Studies 120	Open	Ethnic Studies 120
11:00am	Open
12:00am	Chem Lab 210	Open	Chem Discussion	Open	Chem Discussion
1:00pm		Art History 110	Open	Open	Art History 110	Open
2:00pm	Open
3:00pm	Open		Writing Lab	Open
4:00pm				Open	Open	Statistics 120

DEBUG.CSS CODE:

table {

box:collapse;

border: 6px solid rgb(51, 51, 51);

}

col.hours {

width: 100px;

background-color: beige;

}

col.days {

width: 150px;

background-color: burlywood;

}

caption {

align: right;

font-size: 1.2em;

background-color: black;

color: ivory;

padding: 10px;

}

td, th {

border: 1px dashed gray;

padding: 3px;

text-align: left;

vertical-align: top;

}

thead{

background-color: rgb(51, 51, 51);

}

thead th {

text-align: center;

color: ivory;

letter-spacing: 0.2em;

text-transform: uppercase;

font-weight: normal;

}

tbody tr th {

font-weight: normal;

}

tfoot {

background-color: rgb(51, 51, 51);

color: ivory;

}