* {
    box-sizing: border-box;
}
body {
    margin-bottom: 60px;

    justify-content: center;
    align-items: center;
}            
html {
    position: relative;
    min-height: 100%;
    max-width: 1000px;
    margin: 0 auto; 

}
.calc_title {
    background-color: rgba(255, 192, 0);
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: 50px;
    margin-right: 50px;
}

.sub_item {
    padding-left: 10px;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: 80px;
    margin-right: 50px;
}
.title {
    margin-top: 50px;
    left: 10px;
    cursor: pointer;
    font-family:  'Avenir', sans-serif;
    vertical-align: middle;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    cursor: pointer;
    margin-left: 50px;
    line-height: 0.05;
}
#title_image{
    width: 280px;
    height: 60px;
    margin-left: 250px;
}
.user {
    display: inline-block;
    vertical-align: middle;
}   

.container {
    display: flex; 
    margin-left: 50px;
}
#logout_list {
    padding: 4px;
    background-color: #7F7F7F;
    border: 4px solid #7F7F7F;
    clear: left;
    width: 160px;
    color: white;
    list-style-type: none;
    transition: background-color 0.3s, color 0.3s;
    clear: left;
    column-count: 3;
}
#logout_list:hover {
    background-color: #3d3d3d;
    color: #ffffff;
}
#home_list:hover {
    background-color: #C1E0E4;
    color: #ffffff;
}
#home_list {
    padding: 4px;
    background-color: #39ddf3;
    border: 4px solid #39ddf3;
    clear: left;
    width: 160px;
    color: white;
    list-style-type: none;
    transition: background-color 0.3s, color 0.3s;
    clear: left;
    column-count: 3;

}

footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    background-color: #15d0d6;
    color: white;
    text-align: center;
    line-height: 0.5;
}  

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}