body,html{
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: sans-serif;
}

.section_top{
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
    background-image: url(image/miningn.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    text-align: center;
    justify-content: center;
    animation: change 10s infinite ease-in-out;
}
.content{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-transform: uppercase;

}
.content h1{
    color: #fdfdfd;
    font-size: 60px;
    letter-spacing: 15px;
    font-family: Georgia, 'Times New Roman', Times, serif;

}

.content a{
    background: #85c1ee;
    padding: 10px 24px;
    text-decoration: none;
    font-size: 18px;
    border-radius: 20px;
}
.content a:hover{
    background: #034e88; 
    color:#fff;

}
@keyframes change{
    20%
    {
     background-image: url(image/hand.jpg);
    } 
    20%
    {
     background-image: url(image/miningn.jpg);
    } 
    20%
    {
     background-image: url(image/dream.jpg);
    } 
    20%
    {
     background-image: url(image/miningn.jpg);
    } 
    20%
    {
     background-image: url(image/hand.jpg);
    } 
    20%
    {
     background-image: url(image/dream.jpg);
    } 
    
 }
 .dog{
    margin-left: 8em;
    margin-right: 8em;
    text-align: center;
    margin-top: 6em;
 }
 
 
 
   
 
 .d-block{
    margin-left: 40%;
 }
 
 .box2{
    width: 50%;
    background-color: rgb(153, 153, 184);
    height: 30em;
    text-align: center;
    flex: 25;
    
 }

 .h2g{
    font-family: cursive;
    margin-left: 1em;
    color: #fff;
   font-size: 2.2em;
 
 }

 .box3{
    width: 50%;
    background-color: rgb(153, 153, 184);
    height: 30em;
    text-align: center;
    flex: 25;
}


.boxl{
    width: 50%;
    background-color: rgb(153, 153, 184);
    height: 30em;
   text-align: center;
    flex: 25;
}

.h2l{
    font-family: cursive;
    margin-left: 1em;
    color: #fff;
   font-size: 2em;
}
 
a{
    text-decoration: none;
    
}

.dropdown:hover > .dropdown-menu {
    display: block;
    margin-top: 0;
}

.dropdown-item:hover {
    background-color: rgb(191, 30, 46);
    color: black;
}

.nav-link:hover {
    color: rgb(191, 30, 46);
}
.hhs{
    font-family: cursive;
    margin-left: 1em;
    color: #fff;
   font-size: 0.4em;
}