html {
    scroll-behavior: smooth;
    max-width: 100%;
    overflow-x: hidden;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
}

section {
    margin-left: 0px;
    margin-right: 0px;
}

.header {
    overflow: hidden;
    padding: 2vh 3vw 1vh 1vw;
    position: fixed;
    width: 100vw;
    z-index: 1;
    background: rgb(255, 255, 255, 1);
    box-shadow: 0.2vw 0.5vh 0.5vh #243e4918;
    vertical-align: middle;
}

.header a {
    float: left;
    color: black;
    text-align: center;
    padding: 12px;
    text-decoration: none;
    font-size: 18px;
    line-height: 25px;
    border-radius: 4px;
}

.header a.header-logo {
    font-size: 25px;
    font-weight: bold;
    width: 8vw;
    padding-top: 0px;
}

.header-right {
    padding-right: 60px;
    float: right;
}

.header-logo-img {
    padding-left: 30px;
    width: 5vw;
}

.active {
    background: rgb(255, 255, 255, 0);
    box-shadow: 0.25vw 0.5vh 1vh #243e4900;
}

.logo-active{
    width: 12vw;
}

.header-contact-us {
    margin-top: 0.55vh;
    margin-left: 1vw;
    padding-left: 1vw;
    padding-right: 1vw;
    padding-top: 0.5vw;
    padding-bottom: 0.5vw;
    background: #1F3741;
    border-radius: 20vw;
    border-style: hidden;
    box-shadow: 0.25vw 0.5vh 1vh #243e4957;
    align-items: center;
    display: inline;
}

.header-contact-us-content {
    font-size: 18px;
    color: aliceblue;
}

@media screen and (max-width: 1000px) {

    .header {
        background: rgb(255, 255, 255, 1);
        display: none;
    }

    .header a {
        float: none;
        display: block;
        text-align: left;
    }

    .header-right {
        float: none;
    }

    .header a.header-logo {

        display: block;
        margin-left: auto;
        margin-right: auto;
        width: 35%;

    }

    .header-logo-img {
        padding-left: 0px;
        width: 100%;
    }
}