02.css

/*  Author:Amir Rahman  
   Date:25/5/2021
   Filename: 02.css
   View site in 1920px by 1080px  */
  
:root {
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

body {
  color: rgba(white, .2);
  background-color: rgb(0, 0, 0);
  font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding: 2em;
  text-align: left;
  
}

* {
  padding: 0;
  margin: 0;
}
/* body */
h1 {
  color: white;
}

p{
  color: white
}

a {
  color: greenyellow
}

.logo img {
  width: 80px;
  height: auto;
  border: 3px solid white;
  border-radius: 50px;
  float: left;
}

img {
  width: 320px;
  height: auto;
  float: right;
}

/* navigation bar */
.navbar {
  background-color: black;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  height: 100px;
  padding-top: 250px;
}
.nav-list {
  display: flex;
  width: 100%;
  background-color: black;
  align-items: center;
}

.nav-list li a {
  text-decoration: none;
  color: white;
}

html {
   width: 100%;
}

body {
   width: 95%;
   margin: 0px auto;
   font-family: "Lucida Grande", "Lucida Sans Unicode", "Lucida Sans", "DejaVu Sans", Verdana, "sans-serif";
   font-size: 0.8em;
}

h1 {
   font-size: 2em;
}

/*Table styling*/
table {
  border: 20px groove grey;
  border-collapse: collapse;
  color: rgb(0, 0, 0);
}
th {
  border: 1px solid grey;
  padding: 5px;
  text-align: left;
  vertical-align: top;
  color: rgb(0, 0, 0);
}

td {
  border: 1px solid grey;
  padding: 5px;
  text-align: left;
  vertical-align: top;
  color: rgb(255, 255, 255);
}

table col#firstCol {
  background-color: yellow;
  width: 200px;
  color: white;
}
table col#hourCols {
  width: 120px;
  color: white;
}
thead {
  background-color: aqua;
}

tfoot {
  background-color: black;
  color: white;
}