styles.css

* {
    padding: 0;
    margin: 0;
    background-color: #116466;
}
.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

body {
    color: #ccd5d9;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    /* background-color: #d5e0d0; */
    /* background-image: linear-gradient(319deg, #91d370 0%, #bca0ff 37%, #f2cd54 100%); */
}

h2 {
    margin-bottom: 1rem;
}

.navbar-brand{
    color: #d8e1ec;
}

#heading {
    font-size: 2rem;
    /*margin-top: 2rem;*/
    margin-bottom: 2rem;
}

.card {
    width: 30rem;
    height: 27rem;
    text-align: center;
    margin: 0 auto;
    border: 4px double;
    padding: 5rem 0;
    background-color: #dfdce9;
    color: #d8e1ec;
    background-image: linear-gradient(315deg, #116466 0%, #116466 74%);
}

h2:hover {
    font-size: 3rem;
    transition: 800ms;
}

#uploadfile {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    width: 16rem;
}


#encode,
#decode {
    margin-top: 1rem;
    margin-right: 0.2rem;
}

#step2,
#step3 {
    background-color: rgb(4, 113, 108);
    display: none;
}



#startagain {
    visibility: hidden;
    display: block;
    margin: 2rem auto 0;
}

.conttainer-fluid {
    height: 100%;
}

.text2 {
    font-size: 1.5rem;
}

#doneImg {
    width: 10rem;
    margin: auto;
}

.custom-shape-divider-top-1619602423 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
    z-index: -1;
}

.custom-shape-divider-top-1619602423 svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 600px;
}

.custom-shape-divider-top-1619602423 .shape-fill {
    fill: black;
}

footer {
    margin: auto;
    background-color: #f2eeee;
    color: #fff;
    padding: 0px 0;
    text-align: center;
}

.social-icon {
    font-size: 24px;
    margin-right: 15px;
    color: #fff;
    transition: color 0.3s;
}

.social-icon:hover {
    color: #dbe1d8;
}