body {
    background-color: rgb(155, 237, 237);
    margin: 0;
}

.heater-bar {
    width: 100%;
    height: 50px;
    background-color: #9eadda;
    font-size: 40px;
    margin-top: auto;
    border-radius: 2%;
}

h1 {
    color: coral;
    margin: 0;
}

h2, h3, h4, h5, h6, p {
    width: 150px;
    margin: 0 auto;
    text-align: center;
}

h3 { color: orange; }
h5 { color: darkorange; }

h6 {
    color: black;
    font-size: 40px;
    font-weight: normal;
    line-height: 1;
    font-family: Arial, sans-serif;
}

p {
    font-family: Algerian;
}

img {
    height: 260px;
    display: block;
    margin: 0 auto;
}

.img_4 {
    width: 192px;
    margin: 0 auto;
}

.div1 {
    background-color: coral;
    border: 3px solid orangered;
    width: 250px;
    border-radius: 7%;
    margin: auto;
}

.html-fuse {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 20px auto;
    width: 80%;
    box-sizing: border-box;
}

.html-1, .html-2, .html-4, .html-5, .html-6 {
    width: 200px;
    height: 200px;
    border-radius: 20%;
    border: 2px solid transparent;
    transition: transform 0.3s ease, border 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.html-1 { background-color: coral; }
.html-2 { background-color: lightgreen; }
.html-4 { background-color: lightblue; }
.html-5 { background-color: violet; }
.html-6 { background-color: gold; }

.html-1:hover,
.html-2:hover,
.html-4:hover,
.html-5:hover,
.html-6:hover {
    border: 2px solid #984aec;
    box-shadow: 0px 0px 15px 5px rgba(74, 157, 236, 0.2);
    transform: scale(1.2);
}

.html-1:active,
.html-2:active,
.html-4:active,
.html-5:active,
.html-6:active {
    transform: scale(1.1);
    box-shadow: 0 0 10px 3px rgba(74, 157, 236, 0.4);
}