*{
    margin: 0;
    padding: 0;
}

.main{

    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.5)50%,rgba(0,0,0,0.5)50%), url(picutre/bg.png);
    background-position: center;
    background-size: cover;
    height: 109vh;
}

.nav{

    width: 1200px;
    height: 75px;
    margin: auto;
}

.logo{
    
    width: 200px;
    float: left;
    height: 70px;

}

.logo ul{

width: 200px;
height: 75px;

}

.txt{

    width: 50px;
    color: rgb(12, 0, 65);
    font-size: 20px;
    font-family: Arial;
    float: left;
}

.picture{

    margin-bottom: 15px;

}

.menu{
    width: 550px;
    float: left;
    height: 70px;
    padding-left: 50px;

}

ul{
    float: left;
    display: flex;
    justify-content: center;
    align-items: center;

}

ul li{
    list-style: none;
    margin-left: 62px;
    margin-top: 27px;
    font-size: 14px;
    width: 50px;

}

ul li h2 {

    padding-bottom: 20px;
    transition: 0.3s ease-in-out;
}

ul li a{
    text-decoration: none;
    color: white;
    font-family: Arial;
    font-weight: bold;
    transition: 0.3s ease-in-out;
}

ul li a:hover{
    color: rgb(12, 0, 65);

}

ul li h2:hover{
    color: white;
}

.search{
    width: 300px;
    float: left;
    margin-left: 0px;

}

.srch{
    font-family: 'Times New Roman';
    width: 200px;
    height: 40px;
    background: transparent;
    border: 1px solid rgb(12, 0, 65);
    margin-top: 13px;
    color: white;
    border-right: none;
    font-size: 16px;
    float: left;
    padding: 10px;
    border-bottom-left-radius: 5px;
    border-top-left-radius: 5px;

}

.btn{
    width: 100px;
    height: 40px;
    background: rgb(12, 0, 65);
    margin-top: 13px;
    color: white;
    font-size: 15px;
    border-bottom-right-radius: 5px;
    border-top-right-radius: 5px;

}

.btn:focus{
    outline: none;

}

.srch:focus{

    outline: none;
}

.info {
    width: 1200px;
    height: auto;
    color: white;
    position: relative;
    padding-left: 50px;
}

.info .prgh{
    padding-left: 20px;
    padding-bottom: 25px;
    font-family: Arial;
    letter-spacing: 1.2px;
    line-height: 30px;

}


.info h1{
    font-family: 'Times New Roman';
    font-size: 50px;
    padding-left: 20px;
    margin-top: 9%;
    letter-spacing: 2px;
    
    
}

.tab {
    padding-left: 40px;
    padding-top: 15px;
}