body {
    padding-top: 35px;
    margin: 0px;
    color: black !important;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    background-image: url(https://images.pexels.com/photos/1103970/pexels-photo-1103970.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1);
    background-size: 100% 100% ;
    background-repeat:repeat-y;
    height: 1080px;
}

h1 {
    color: #04AA6D;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size: 45px;
}

#container1 {
    padding: auto 25%;
    width: 100%;
    min-height: 600px;
}

#container {
    width: 75%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    padding: 30px 30px;
    background-image: url(https://images.pexels.com/photos/7130490/pexels-photo-7130490.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    border-radius: 15px;
    background-blend-mode: multiply;
    opacity: 0.7;
}
#container:hover {
    box-shadow: 0 0 10px white;
    border-radius: 15px;
  }

input[type=number] {
    width: 50px;
    display: inline-block;
    margin: 10px;
}

#btn {
    margin: 10px;
}

#cols,
#rows {
    color: black;
    font-size: medium;
}

tr:nth-child(even) {
    background-color: #d8e2abde;
}

tr:hover {
    background-color: #d0fcc8f1;
}

th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: center;
    background-color: #04AA6D;
    color: white;
}

table {
    padding-bottom: 35px;
    text-align: center;
    width: 100%;
    height: 50px;
}

p {
    padding-bottom: 10px !important;
    color: green;
    text-align: center !important;
    caption-side: top !important;
}

footer {
    padding-top: 30px;
    font-size: medium;
    text-align: center;
    color: white;
    margin: 10px;
}

.button {
    background-color: #4CAF50;
    border: hidden;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 25px;
}
.button:hover{
    box-shadow: 0 0 5px yellow;
}