sty_default.css

.search {
    margin: 50px auto;
    width: 700px;
}

.search_engine {
    transition-duration: 0.5s;
    transition-timing-function: ease-in-out;
    background-color: #ffffff;
    box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.33);
    margin-bottom: 0;
    border-radius: 20px;
    width: 60px;
    height: 20px;
    padding: 4px 5px;
    opacity: 0.8;
    margin: 0 5px;
    display: inline-block;
}

.search_engine:hover {
    background-color: #e7e7e7;
    box-shadow: 0 0 3px 3px rgba(0, 0, 0, 0.11);
    padding: 4px 15px;
    opacity: 1;
}

.fir {
    box-shadow: 0 0 3px 3px rgba(0, 0, 0, 0.11);
    padding: 4px 15px;
    opacity: 1;
}

.search_contral {
    border-radius: 100px;
    margin: 10px 0;
    width: 700px;
    height: 50px;
    opacity: 0.95;
    background-color: #ffffff;
    box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.33);
    transition-duration: 0.5s;
}

.search_contral:hover {
    box-shadow: 0 0 3px 3px rgba(0, 0, 0, 0.11);
}

.search_contral>div {
    float: left;
}

#search_text {
    outline: none;
    border: 0;
    width: 640px;
    height: 50px;
    margin-left: 10px;
    padding-left: 10px;
    font-size: 20px;
    color: rgba(0, 0, 0, 0.7);
    background-color: rgba(255, 250, 250, 0);
}

#search_png {
    width: 50px;
    opacity: 0.6;
    float: right;
}

.comweb {
    display: flex;
    flex-flow: row wrap;
    align-content: space-around;
    justify-content: left;
    background-color: #ffffff;
    margin: 0 auto;
    width: 650px;
    border-radius: 8px;
    padding: 20px;
    user-select: none;
    box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.33);
    transition-duration: 0.5s;
    opacity: 0.95;
}

.comweb>div {
    display: inline-flex;
    flex-flow: row wrap;
    align-content: space-around;
    justify-content: center;
    margin: 0 25px;
    padding: 5px;
    width: 100px;
    height: 100px;
    cursor: pointer;
    transition-duration: 0.8s;
    transition-timing-function: ease;
}

.comweb:hover {
    box-shadow: 0 0 3px 3px rgba(0, 0, 0, 0.11);
}

.comweb div:hover {
    border-radius: 10px;
    background-color: rgba(145, 145, 145, 0.15);
    transition-duration: 0.4s;
}

.comweb_png {
    margin: 0;
    height: 70px;
    width: 70px;
    border-radius: 2000px;
}

.comweb_p {
    display: inline;
    margin: 0;
    width: 100%;
    font-size: 14px;
    text-align: center;
}

iframe {
    border: 0;
    width: 100%;
    height: 480px;
}

.maindiv {
    background-color: #ffffff;
    margin: 50px auto;
    width: 650px;
    border-radius: 8px;
    padding: 20px;
    user-select: none;
    box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.33);
    transition-duration: 0.5s;
    opacity: 0.95;
}

.maindiv:hover {
    box-shadow: 0 0 3px 3px rgba(0, 0, 0, 0.11);
}

.maindiv>h4 {
    font-size: 25px;
    font-weight: 500;
    margin: 10px;
}

.maindiv>h5 {
    font-size: 20px;
    font-weight: 500;
    margin: 15px;
}

#footer {
    margin: 0;
    color: rgba(255, 255, 255, 0.81);
    font-size: 17px;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.37);
    text-align: center;
    width: 100%;
}

#footer>p {
    margin: 5px;
    font-size: 17px;
}

#fir:hover {
    cursor: pointer;
}