sty_edge.css

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

.search_engine {
    display: inline-block;
    position: relative;
    box-sizing: border-box;
    width: 80px;
    height: 32px;
    margin-bottom: -3px;
    background-color: rgba(255, 255, 255, .8);
    border-radius: .5em 0 0 0;
    transition-duration: 0.2s;
    transition-timing-function: ease-in-out;
}

.search_engine::after {
    content: '';
    position: absolute;
    left: 100%;
    height: 100%;
    top: 0px;
    width: 6px;
    background-color: inherit;
    transform: scale(2, 2.11) perspective(.5rem) rotateX(15deg);
    transform-origin: bottom left;
}

.search_contral {
    display: flex;
    height: 50px;
    margin-bottom: 10px;
    margin-top: -4px;
    background-color: #ffffff;
    border-radius: 0.4rem;
    border-top-left-radius: 0;
    box-shadow: 0 0.3px 0.9px rgba(0, 0, 0, 0.12), 0 1.6px 3.6px rgba(0, 0, 0, 0.12);
    transition-duration: .2s;
    transition-timing-function: ease-in-out;
}

.fir {
    background-color: #ffffff;
    width: 88px;
}

.search_engine:hover {
    cursor: pointer;
    width: 88px;
    background-color: rgba(255, 255, 255, .6);
}

.search_contral:hover {
    box-shadow: 0 12.8px 22.8px rgba(0, 0, 0, 0.22), 0 2.4px 7.2px rgba(0, 0, 0, 0.18);
}

#search_text {
    height: 50px;
    width: 600px;
    font-size: 18px;
    line-height: 50px;
    outline: none;
    border: none;
    margin: 0 19.2px;
    color: rgba(0, 0, 0, 0.7);
    background-color: rgba(255, 250, 250, 0);
}

#search_png {
    width: 50px;
    opacity: 0.6;
    cursor: pointer;
}

.comweb {
    display: flex;
    flex-flow: row wrap;
    align-content: space-around;
    justify-content: left;
    margin: 0 auto;
    max-width: 68rem;
    border-radius: 8px;
    padding: 20px;
    user-select: none;
    transition-duration: 0.5s;
    opacity: 0.95;
}

.comweb>div {
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    margin: .6rem;
    width: 10rem;
    height: 8rem;
    background-color: #ffffff;
    text-shadow: rgba(255, 255, 255, 0.8) 0 0 3px;
    border: 1px rgba(255, 255, 255, .6) solid;
    border-radius: .4rem;
    cursor: pointer;
    transition-duration: 0.4s;
    transition-timing-function: ease;
}

.comweb div:hover {
    box-shadow: 0 1.28rem 2.28rem rgba(0, 0, 0, 0.22),
        0 0.24rem 0.72rem rgba(0, 0, 0, 0.18);
}

.comweb_png {
    margin: 0;
    height: 70px;
    width: 70px;
    margin-bottom: 20px;
    border-radius: .4rem;
}

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

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

.maindiv {
    background-color: #ffffff;
    margin: 50px auto;
    width: 650px;
    border-radius: .4rem;
    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;
}