* {
    box-sizing: border-box;
}
html{
    min-height: 100%;
}
body {
    background: url("img/background.jpg") no-repeat center;
    height: 100%;
    width: auto;
    background-size: cover;
    padding: 50px 0;
    color: white;
    font-family: 'Source Sans Pro', sans-serif;
    margin: 0;
    font-weight: 300;
}

.container {
    max-width: 550px;
    margin: 0 auto;
}

.logo {
    text-align: center;
    margin-bottom: 40px;
}

.logo img {
    height: 170px;
    width: auto;
}

.main-text {
    font-size: 18px;
    line-height: 23px;
    text-align: center;
    margin-bottom: 30px;
}

.main-text img {
    height: 30px;
    width: auto;
    display: block;
    text-align: center;
    margin: 0 auto;
}

.main-text .bold {
    font-weight: 700;
}

.main-text .text-shadow {
    text-shadow: 0 2px 2px #343eb1;
}

.block-list ol {
    margin: 0;
    padding: 0 0 0 30px;
}

.block-list li {
    color: white;
    text-align: center;
    list-style: none;
}
.block-form form{
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
}
.block-form form input,
.block-form form button{
    width: 180px;
    margin: 0 10px;
}
.block-form input{
    background: white;
    border: 1px solid #767e7b;
    height: 30px;
    padding: 10px;
    color: black;
    border-radius: 2px;
}
.block-form input::placeholder{
    color: #767e7b;
}
.block-form button{
    border: none;
    background: #00b0f0;
    height: 30px;
    width: 100%;
    color: white;
    text-align: center;
    cursor: pointer;
}
.block-form input:hover,
.block-form input:focus,
.block-form button:hover,
.block-form button:focus{
    box-shadow: 0 0 5px 2px #1679e2;
    outline: none;
    transition: 0.4s;

}
.container-button-download-app{
    display: flex;
    justify-content: center;
    margin: 20px 0 0;
}
.container-button-download-app img{
    height: 40px;
    margin: 0 5px;
}

.container-button-download-app a:hover,
.container-button-download-app a:focus{
    filter: drop-shadow(0px 0px 7px rgba(0,0,0,0.5));
    transition: 0.4s;
}
.invisible {
    display: none;
}
@media screen and (max-width: 990px) {
    .logo img {
        height: 120px;
        width: auto;
    }
    .block-form{
        left: -15px;
        position: relative;
    }
    .block-form form input,
    .block-form form button{
        width: 150px;
        margin: 0 5px;
    }
    .container-button-download-app img{
        margin: 0 2px;
    }
}