* {
    font-family: 'Questrial', sans-serif;
    font-size: 16px;
    margin: 0;
    color: #fff;
}

/* width */

::-webkit-scrollbar {
    width: 5px;
}

/* Track */

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.2);
    width: 5px;
}

/* Handle */

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.5);
    width: 5px;
}

/* Handle on hover */

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.7);
}

body {
    background: #11171f;
    margin: 0px;
}

p{
    margin-top: 20px;
    line-height: 20px;
}

.tb {
    padding: 20px 30px;
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    box-sizing: border-box;
    z-index: 40;
    overflow: hidden;
    height: 70px;
}

.tbopenmobile {
    box-shadow: 0px 0px 40px 0px rgba(0, 0, 0, 0.4);
    height: 181px;
    position: fixed;
    top: 0px;
    background: rgb(39, 54, 73);
}

.logo {
    width: 200px;
    cursor: pointer;
    user-select: none;
    transition-duration: 0.2s;
    position: absolute;
    top: 20px;
    left: 30px;
}

.sbb {
    position: absolute;
    top: 20px;
    left: calc(50% - 150px);
    width: 300px;
    display: inline-block;
    background: #19222e;
    padding: 10px 15px;
    border-radius: 15px;
}

.sicon {
    height: 22px;
}

.searchbar {
    border: none;
    box-sizing: border-box;
    outline: none;
    background: rgba(0, 0, 0, 0);
    color: #fff;
    font-size: 16px;
    vertical-align: top;
    margin-top: 2px;
    margin-left: 10px;
    width: calc(100% - 30px);
}

.searchbar::placeholder {
    color: #fff;
    font-size: 16px;
}

.searchbar:hover {}

.searchbar:focus {}

.tnavbtn {
    color: #fff;
    float: right;
    margin: 0px 4px;
    padding: 13px;
    cursor: pointer;
    user-select: none;
    transition-duration: 0.2s;
}

.tnavbtn:hover {
    color: #8f9bac;
}

.tcontuppd {
    text-align: center;
}

.tacimage {
    text-align: center;
    margin: 20px;
}

.tcont {
    margin-top: 140px;
    max-width: 900px;
    display: inline-block;
    text-align: left;
}

.tvit {
    cursor: pointer;
    overflow: hidden;
    width: 256px;
    height: 200px;
    /* box-shadow: 1px 1px 30px 0px rgba(0, 0, 0, 0.24); */
    /* border-radius: 15px; */
    padding: 20px;
    display: inline-block;
    transition-duration: 0.2s;
}
.crcttl {
    color: #fff;
    padding: 10px;
    text-align: center;
}

.tvit:hover .tvtn{
    transform: scale(1.1);
}

.cblock {
    font-family: monospace;
    padding: 10px 40px;
    background: #19222e;
    border-radius: 15px;
    margin: 20px 0px;
    word-wrap: break-word;
}

.page {
    max-width: 800px;
    width: 90%;
    text-align: left;
    display: inline-block;
}

.rtitleopage {
    color: #fff;
    font-size: 40px;
    font-family: 'Montserrat', sans-serif;
    text-align: center;
    margin: 30px;
}

.tagbb {
    display: inline-block;
    padding: 8px 12px;
    margin: 4px;
    background: #232e3e;
    border-radius: 30px;
    text-transform: uppercase;
    font-size: 14px;
    cursor: pointer;
    transition-duration: 0.3s;
}

.tagbb:hover {
    background: #5cbcce;
}

.abtn {
    text-decoration: none;
    background: #232e3e;
    padding: 1px 6px;
    border-radius: 20px;
    margin: 2px 2px;
    display: inline-block;
}

.litem {
    margin-bottom: 20px;
    border-left: 2px solid #475365;
    padding: 10px;
    background: #232e3e;
}

.rsubtitleopage {
    color: #fff;
    font-size: 24px;
    font-family: 'Montserrat', sans-serif;
    text-align: center;
    margin: 20px;
    margin-top: 30px;
}

.stdschematic {
    border-radius: 15px;
    margin: 30px 0px;
    user-select: none;
    max-height: 300px;
    max-width: 100%;
}

.ttltacimg {
    text-align: center;
}

.tvtn {
    width: 100%;
    transition-duration: 1s;
    border-radius: 15px;
}

.imgcvc {
    width: 256px;
    height: 144px;
    border-radius: 15px;
    overflow: hidden;
    background: #19222e;
}

.ttlimg {
    width: 100%;
}

.tooltitle {
    font-size: 30px;
    color: #fff;
}

.fttltool {
    width: 256px;
    border-radius: 15px;
    overflow: hidden;
    display: inline-block;
    margin: 10px;
    background: #fff;
}

.tooldescr {
    color: #4e4e4e;
    max-width: 300px;
    display: inline-block;
    margin: 15px;
    text-align: left;
}

.menuicombl {
    display: none;
    position: absolute;
    top: 12px;
    right: 8px;
    cursor: pointer;
    user-select: none;
    padding: 20px;
}

.gfooter {
    margin-top: 100vh;
    box-sizing: border-box;
    height: 200px;
    padding: 30px 20px 20px 20px;
    color: #fff;
    text-align: center;
}

.flink {
    color: #69788f;
    display: inline-block;
    margin: 0px 2px;
    padding: 8px 4px 0px 4px;
    cursor: pointer;
    user-select: none;
    transition-duration: 0.2s;
}

.flink:hover {
    color: #3b4452;
}

.menuicoimg {
    width: 30px;
}

.spacer50px {
    height: 50px;
}

@media only screen and (max-width: 880px) {
    .sbb {
        top: 80px;
        left: 20px;
        width: calc(100% - 70px);
    }
    .menuicombl {
        display: inline-block;
    }
    .tnavbtn {
        display: inline-block;
        margin-top: 110px;
        float: none;
    }
}