body{
    min-width: 640px;
    font-size: 0.90rem;
    font-family: "Trebuchet MS", "Lucida Sans";
}

.jumbotron{
    padding: 2rem;
    margin-bottom: 16px;
}

a{
    color: #000000;
}

.container{
     background-image: linear-gradient(to bottom right, #ffffff, #B3D4DD);
     padding-bottom: 15px;
     margin-bottom: 16px;
     border-radius: 4.8px;
 }

.header-background{
    background-image: url('image/Globe_Laptops_481955.jpg');
    background-repeat: no-repeat;
    background-position: left top;
    background-size: cover;
}

.nav-background{
    background-image: linear-gradient(to right, #3891A7 50%, #B3D4DD);
    border-radius: 4.8px;
}

.fotter-background{
    background: #3891A7;
    border-radius: 4.8px;
}

.nav-text{
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
    font-weight: bold;
    text-transform: uppercase;
}
.nav-item{
    margin-right: 10px;
}
.nav-item:hover{
    outline: 7px solid #3891A7;
    outline-offset: 5px;
    box-shadow: 2px 2px #ffffff, 4px 4px #3891A7;
}

.text-header{
    margin-top: 0.5rem;
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5em;
    text-shadow:
            0 -1px 0 #fff,
            0 1px 0 #2e2e2e,
            0 2px 0 #2c2c2c,
            0 3px 0 #2a2a2a,
            0 4px 0 #282828,
            0 5px 0 #262626,
            0 6px 0 #242424,
            0 7px 5px rgba(0, 0, 0, 0.9);
}

.text-title{
    margin-top: 0.5rem;
    color: #000000;
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
    text-align: center;
    letter-spacing: .05em;
    text-shadow:
            0 0px 0  rgba(255, 255, 255, 1),
            0 1px 0  rgba(56, 145, 167, 0.3),
            0 2px 0  rgba(56, 145, 167, 0.5),
            0 3px 0  rgba(56, 145, 167, 0.6),
            0 4px 0  rgba(56, 145, 167, 0.7),
            0 1px 1px rgba(255, 255, 255, 1),
            0 2px 2px rgba(255,255,255,.5),
            0 3px 3px rgba(255,255,255,.9);
}

#textTitle {visibility:hidden;}
#textTitle .new{opacity: 0;}
#textTitle .div_opacity{
    -webkit-transition: opacity .1s ease-in-out;
    -moz-transition: opacity .1s ease-in-out;
    -ms-transition: opacity .1s ease-in-out;
    -o-transition: opacity .1s ease-in-out;
    transition: opacity .1s ease-in-out;
    opacity: 1;
    visibility:visible;
}

.text-date{
    margin-top: 0.3rem;
    color: #ffffff;
    font-size: 1rem;
    font-weight: bold;
    text-shadow: 3px 3px 3px #000000;
}

.style-div{
    text-align: justify;
    color: #000000;
    font-size: 0.85rem;
}

.card-img-size{
    margin-top: 0.5rem;
    background-image: linear-gradient(to bottom right, #ffffff, #B3D4DD);
    -webkit-box-shadow: 3px 3px 4px 4px #3891A7;
    -moz-box-shadow: 3px 3px 4px 4px #3891A7;
    box-shadow: 3px 3px 4px 4px #3891A7;
}

.card-img-size:hover{
    transform: scale(1.03);
}

.card-body{
    padding: 0.75rem;
    text-align: center;
    transition-delay: .5s;
}

.card-btn-text{
    color: #000000;
}

.border-sp {
    list-style: none;
    padding: 0;
}
.border-sp li {
    padding: 7px 20px;
    margin-bottom: 10px;
    border-radius: 5px;
    border-left: 10px solid #3891A7;
    box-shadow: 2px -2px 5px 0 rgba(0,0,0,.1),
    -2px -2px 5px 0 rgba(0,0,0,.1),
    2px 2px 5px 0 rgba(0,0,0,.1),
    -2px 2px 5px 0 rgba(0,0,0,.1);
    letter-spacing: 2px;
    transition: 0.3s all linear;
}
.border-sp li:nth-child(2){border-color: #3891A7;}
.border-sp li:nth-child(3){border-color: #3891A7;}
.border-sp li:nth-child(4){border-color: #3891A7;}
.border-sp li:hover {border-left: 10px solid transparent;}
.border-sp li:nth-child(1):hover {border-right: 10px solid #B3D4DD;}
.border-sp li:nth-child(2):hover {border-right: 10px solid #B3D4DD;}
.border-sp li:nth-child(3):hover {border-right: 10px solid #B3D4DD;}
.border-sp li:nth-child(4):hover {border-right: 10px solid #B3D4DD;}

.bullet {
    margin-left: 0;
    padding-left: 0px;
    list-style: none;
    counter-reset: li;
}
.bullet li {
    position: relative;
    margin-bottom: 1.5em;
    border: 3px solid #B3D4DD;
    padding: 0.6em;
    border-radius: 4px;
    background: #FEFEFE;
    color: #231F20;
}
.bullet li:before {
    position: absolute;
    top: -0.7em;
    padding-left: 0.4em;
    padding-right: 0.4em;
    font-size: 16px;
    font-weight: bold;
    color: #DCC24B;
    background: #FEFEFE;
    border-radius: 50%;
    counter-increment: li;
    content: counter(li);
}

/*стили для таблицы*/
.table {
    border-radius: 10px;
    border-spacing: 0;
    text-align: justify;
}

.table th{
    border-top: none;
    text-align: center;
}

th {
    background: #3891A7;
    color: white;
    text-shadow: 0 1px 1px #2D2020;
    padding: 10px 20px;
    border-top: none;
}

th, td {
    padding: 10px 20px;
    border-style: solid;
    border-width: 0 1px 1px 0;
    border-color: white;
    border-right: none;
}
th:first-child, td:first-child {
    text-align: left;
}
th:first-child {
    border-top-left-radius: 10px;
}
th:last-child {
    border-top-right-radius: 10px;
    border-right: none;
}

tr:last-child td:first-child {
    border-radius: 0 0 0 10px;
}
tr:last-child td:last-child {
    border-radius: 0 0 10px 0;
}
tr td:last-child {
    border-right: none;
}

tr:hover{
    background: #B3D4DD;
}

/*стили для заголовка секций*/
h5{
    padding: 20px 10px;
    cursor: pointer;
    border-radius: 10px;
    color: #000000;
    transition: .2s linear;
    background: #B3D4DD;
}
h5:hover {
    box-shadow: 400px 0 0 0 rgba(0,0,0,.3) inset;
    color: #ffffff;
}

/*медиа запросы*/

@media screen and (max-width: 765px) {
    .hide-765 {
        display: none;
    }
}

@media screen and (max-width: 750px) {
    .nav-item:hover{
        outline: none;
        outline-offset: 0px;
    }
    iframe{
        width: 400px;
        height: 500px;
    }
}
@media screen and (max-width: 1000px) {
    .nav-item:hover{
        outline: none;
        outline-offset: 0px;
    }
    iframe{
        width: 540px;
        height: 500px;
    }
}