body{
    background-color: #010101;
    background-image: linear-gradient(rgba(0,0,10,0.78),rgba(0,0,10,0.78)), url(images/back-G-heart.png);
    background-size: 50%;
    background-color: #010101;
    background-position: center;
    position: relative;
}

.header{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
}
.mov-logo {
    width: 10%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    position: fixed;
    margin: 20px;
    margin-top: -45px;
}
.mov-logo img{
    width: 145px;
    height: 55px;
}

.cont{
    width:200px;
    height: 400px;
    background-color: #010101;
    margin-inline: 20px;
    border-radius: 10px;
    color: #01d449;
    border: 5px solid #01d449;
    font-family: jost;
    text-align: center;
    font-size: 20px;
    transition: 1s;
}
.box1{
    animation: slide-down 1s ease-out;
}
.box2{
    width: 450px;
    animation: slide-down 1.5s ease-out;
    overflow: hidden;
}
.box3{
    animation: slide-down 2s ease-out;
}
.cont:hover{
    transform: scale(1.03);
    transition: 1s;
}

.box3 a{
    text-decoration: none;
    color: #01d449;
}

@media (max-width: 700px) {
    
    .mov-logo{
        margin-left: 70px;
        margin-top: 0;
    }
    .header {
        display: block;
        align-items: center;
        justify-content: center;
        float: left;
        margin-top: 20px;
    }
    .cont{
        margin-top: 100px;
    }
    .box2{
        width: 350px;
    }
    .box3{
        margin-bottom: 30px;
    }

}

@keyframes slide-down {
    from{transform: translateY(-500px);}
    to{transform: translateY(0px);}
}

.control{
    width: 370px;
    margin-top: 12px;
    background-color: #01d449;
    border-radius: 5px;
}

.btn{
    background-color: #01d449;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
}

.btn:active{
    background-color: green;
}
.btn:hover{
    transform: scale(1.1);
    transition: 1s;
}

/*---preloader---*/
#preloader{
    background:#000 url(images/loader1.gif) no-repeat center center;
    background-size: 10%;
    height: 100vh;
    width: 100%;
    position: fixed;
    z-index: 100;
}