body {
    background-color: #000000 !important;
    color: #fff !important;
}
nav {
    background: #000000 !important;
}
nav .container {
    background: #000000 !important;
}
.btn-menu {
/*    width: 100px;*/
    border: 0.5px solid #fff;
    margin: 0 5px;
    border-radius: 10px;
}
.btn-menu li {
    margin: 0 auto;
}





/** Preview block*/
.preview {
    
}
.preview .preview_title {
    display: flex;
    align-items: center;
    text-indent: 20px;
}
.preview .preview_title img {
    width: 80px;
    height: 80px;
}
.preview .preview_title .title {
    font-family: "Pixelify Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 700;
    font-style: normal;
    font-size: 54px;
    letter-spacing: 1px;
}
.preview .preview_wrap {
    display: flex;
    justify-content: space-between;
    margin: 25px 0;
}
.preview .preview_wrap .preview_text {
    background: #181818;
    width: 550px;
    height: 600px;
    padding: 40px 35px;
    border-radius: 24px;
}
.preview .preview_wrap .preview_text h3 {
    font-family: "Pixelify Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 500;
    font-style: normal;
    font-size: 32px;
}
.preview .preview_wrap .preview_text .info {
    font-family: "Montserrat", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-size: 24px;
    margin: 30px 0 200px 0;
}
.preview .preview_wrap .preview_text .btn {
    font-family: "Pixelify Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 500;
    font-style: normal;
    border: none;
    border-radius: 100px;
    width: 480px;
    background: #fff;
    height: 60px;
    text-align: center;
    font-size: 24px;
    text-transform: uppercase;
    margin: 0 auto;
}


.preview .preview_wrap .preview_anim {
    background: #181818;
    width: 550px;
    height: 500px;
    padding: 40px 35px;
    border-radius: 24px;
}

.card-header {
    font-family: "Pixelify Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 500;
    font-style: normal;
    font-size: 24px;
}
.crypto_btn {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
}
.crypto_btn button {
    width: 90px;
    height: 40px;
    border-radius: 5px;
    background: #fff;
    border: none;
}
.card-bg {
    background: #181818 !important;
    height: 650px !important;
    padding: 1rem;
}
.card-bg-preference {
    background: #181818 !important;
    height: 700px !important;
    padding: 1rem;
}
.card-header .title {
    font-size: 54px;
}
.body_wrap {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    height: 100%;
    align-items: center;
}
.c1 {
    display: flex;
    flex-direction: column;
    text-align: center;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    gap: 25px;
}
.c1 .c1_title h3{
    font-size: 24px;
    font-weight: 500;
}
.c1 .content p {
    font-size: 18px;
    font-weight: 400;
}
.card-bg-attention {
    background: #181818 !important;
    height: 535px !important;
    padding: 1rem;
}
/**exchange*/
/*.card_wrap {*/
/*    background: #181818;*/
/*    height: 650px;*/
/*}*/