.fixed{
    width: 500px;
    position: fixed;
    bottom: 20px;
    display: block;
    margin: 0 auto;
    background: #156b02;
    color: #ffffff;
    border-radius: 5px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(270deg, #0a0a14, #252536f2, #4d5a85, #343f63);
    background-size: 600% 600%;
    animation: gradientShift 15s ease infinite;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 9999;
}
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}
.fixed_block{
    display: flex;
    align-items: center;
    padding: 10px;
}
.tri{
    width: 33%; 
}
.center{
    display: flex;
    justify-content: center;
    text-align: center;
    flex-direction: column;
}
.right{
    justify-content: right;
    text-align: right;
}
.box{
    width: 70px;
}
.span_box{
    font-size: 30px;
    text-shadow: 0 0 20px #3ee6e0;
    font-family: sans-serif;
}
.span_box1{
    font-size: 20px;
    font-family: sans-serif;
}
.button_box{
    padding: 10px 15px;
    background: #27AE60;
    color: #ffffff;
    text-decoration: none;
    border-radius: 5px;
    font-family: sans-serif;
    animation: pulse 2s infinite;
    background-color: #fe284a;
    box-shadow: 0 3px 0 0 #871628, 0 4px 4px 0 #000;
}
@keyframes pulse {
    0% {
        box-shadow: 0 0 10px rgba(39, 174, 96, 0.7);
    }
    50% {
        box-shadow: 0 0 20px rgba(39, 174, 96, 1);
    }
    100% {
        box-shadow: 0 0 10px rgba(39, 174, 96, 0.7);
    }
}
.krestik{
    float: right;
    right: 10px;
    
    font-size: 25px;
    cursor: pointer;
    position: absolute;
}
.krestik:hover{
    color: #EDC97F;
}
@media(max-width: 550px){
    .fixed{
        width: 92%;
    }
}
@media(max-width: 400px){
    
    .span_box{
        font-size: 23px;
    }
    .span_box1{
        font-size: 16px;
    }
}